_{Chebyshev's theorem - The question and solution Excel files can be found here: https://drive.google.com/file/d/1Z-B2bAnyOfBKPA-_tnxv1INRx5hC1cv-/view?usp=share_link} _{Chebyshev’s Theorem or Chebyshev’s inequality, also called Bienaymé-Chebyshev inequality, is a theorem in probability theory that characterizes the dispersion of data away from its mean (average). Chebyshev’s inequality (named after Russian mathematician Pafnuty Chebyshev) puts an upper bound on the probability that an observation is at ...Statistics and Probability questions and answers. Select all that apply Which of the following is true regarding the application of Chebyshev's theorem and the Empirical Rule? Check all that apply. Chebyshev's theorem applies to any set of values. Chebyshev's theorem works for symmetrical, bell-shaped distributions. There are at least two theorems known as Chebyshev's theorem. The first is Bertrand's postulate, proposed by Bertrand in 1845 and proved by Chebyshev using …Jan 10, 2024 · Chebyshev’s Theorem was formulated by Pafnuty Chebyshev, a Russian mathematician, in the late 19th century. It was a significant advancement in probability theory, offering a way to understand ... Use Chebyshev’s theorem to find an interval centered about the mean time between successive pulses along a nerve fiber in which you would expect at least 75% of the times to fall. c. Use Chebyshev’s theorem to find an interval centered about the mean time between successive pulses along a nerve fiber in which you would expect at least 88.9% of the …Statistics and Probability Part 1 lecture 21In this video, I discussed-Concept of Chebyshev's Theorem in Statistics-What is the Chebyshev's Theorem ?-How to ...Jun 8, 2021 · Step-4: Apply the Chebyshev’s Theorem to find the required probability: ≥ 1-1/k 2 ≥ 1-(1/4) ≥ 3/4 ≥ 0.75. Step-5: Present the results. Therefore, the lower bound of the probability that the productivity lies between 40 and 60 is equal to 0.75. Numerical Example-2: A symmetric die is thrown 600 times.Chebyshev's Excel Calculator · Enter the mean (x-bar) and the standard deviation as stated in the problem in the blue cells. · Find the lower and upper values&nbs...Cognate Linkages the Roberts – Chebyshev Theorem 509 Fig. 5. Chebyshev linkages Fig. 6. Extended Chebyshev linkage Chebyshev had already shown that in order to get the best approximation of a straight line the linkage must satisfy two conditions. First the distance CC 1 must be equal to 1/3 (AC + A 1C 1 + AA 1). The second says that the ...How to use Chebyshev’s theorem calculator? Chebyshev’s theorem calculator is very simple and easy to use, you just have to follow the below steps: Enter the value of “ k ”. Click on the calculate button. Click on the “show steps” button to see the step-by-step solution. To erase the input, click on the “Reset button”.Find the range of values for at least 75% chebyshev's theoremTime Stamps0:00 Intro0:16 Key Words0:38 Formula1:04 Setting up and solving2:03 Plugin result to ...As a result, Chebyshev's can only be used when an ordering of variables is given or determined. This means it is often applied by assuming a particular ordering without loss of generality \ ( (\)e.g. \ (a \geq b \geq c),\) and examining an inequality chain this applies. Two common examples to keep in mind include the following:Find the range of values for at least 75% chebyshev's theoremTime Stamps0:00 Intro0:16 Key Words0:38 Formula1:04 Setting up and solving2:03 Plugin result to ...Chebyshev’s inequality, in probability theory, a theorem that characterizes the dispersion of data away from its mean (average). The general theorem is attributed to the 19th-century Russian mathematician Pafnuty Chebyshev, though credit for it should be shared with the French mathematician. Chebyshev's Theorem estimates the minimum proportion of observations that fall within a specified number of standard deviations from the mean. This theorem applies to a broad range of probability distributions. Chebyshev's Theorem is also known as Chebyshev's Inequality . Chebyshev's Theorem Formula. P (∣ X − μ ∣ kσ)=1 – (1 / k2) P ...This is just a few minutes of a complete course. Get full lessons & more subjects at: http://www.MathTutorDVD.com.You will learn about Chebyshev's Theorem in...Chebyshev's Theorem for two standard deviations ( = 2) is calculated like this: )) = .7500. This is interpreted to mean that at least .75 of the observations will fall between -2 and +2 standard deviations. In fact, for the example distribution .891 of the observations fall with that range. It is the case the 7.5 is less than or eaual to .891. Feb 2, 2020 · In this video we discuss what is, and how to use Chebyshev's theorem and the empirical rule for distributions in statistics. We define both of these topics ... Chebyshev's Interval refers to the intervals you want to find when using the theorem. For example, your interval might be from -2 to 2 standard deviations from the mean. Chebyshev's inequality, also known as Chebyshev's theorem, makes a fairly broad but useful statement about data dispersion for almost any data distribution.Jan 12, 2011 ... 3 Answers 3 ... So P(|X−μ|≥kσ)≤1k2. The central 60% is 1−P(|X−μ|≤kσ)=0.4. ... This is the one that says the probability of being outside k ...Chebyshev's theorem and the empirical rule provide valuable tools for interpreting standard deviation and understanding the distribution of data, allowing for more accurate …Chebyshev’s theorem is a catch-all term for several theorems, all proven by Russian mathematician Pafnuty Chebyshev. They include: Chebyshev’s Theorem (as …7.2: Chebyshev's Functions. We introduce some number theoretic functions which play important role in the distribution of primes. We also prove analytic results related to those functions. We start by defining the Van-Mangolt function. \ (\Omega (n)=\log p\) if \ (n=p^m\) and vanishes otherwise.Chebyshev’s theorem, also known as Chebyshev’s Inequality, states that the proportion of values of a dataset for K standard deviation is calculated using the equation: Here, K is any positive integer greater than one. For example, if K is 1.5, at least 56% of the data values lie within 1.5 standard deviations from the mean for a dataset. Chebyshev’s theorem, also known as Chebyshev’s Inequality, states that the proportion of values of a dataset for K standard deviation is calculated using the equation:. Here, K is any positive integer greater than one. For example, if K is 1.5, at least 56% of the data values lie within 1.5 standard deviations from the mean for a dataset. If K is 2, at least 75% of the …Chebyshev's inequality also called as Chebyshev’s Theorem. It defines that at least 1-1/K 2 of data from a sample must fall down within K standard deviations from the mean, where K is any positive real number larger than one. Formula: Probability P(X-μ<2σ) = 1 - (1/K 2)Top answer: Chebyshev's theorem can be found on the TI 84 calculator by accessing the Statistics menu. From the Read more. in a certain distribution the mean is 68, with a variance of 16. Using chebyshev's theorem at least what percentage of values. Top answer: SD = √variance Z = (score-mean)/SD Find table in the back of your statistics text ...chebyshev's rule is this: as long as k is > 1, then AT LEAST (1- 1/k^2) of the data will fall within k standard distributions ...This is a brief video concerning the premises of Chebyshev's Theorem, and how it is used in practical applications.In this video, we look at an example of using Chebyshev's theorem to find the proportion of data contained within an interval that is of the form, the mean p...In this video we discuss what is, and how to use Chebyshev's theorem and the empirical rule for distributions in statistics. We define both of these topics ...By Chebyshev’s Theorem, at least 3/4 of the data are within this interval. Since 3/4 of 50 is 37.5, this means that at least 37.5 observations are in the interval. But one cannot take a fractional observation, so we conclude that at least 38 observations must lie inside the interval (22,34). in (n;2n], whereas Chebyshev’s theorem counts primes in (0;n]. This problem is surmountable: Exercise 8. The goal of this exercise is to deduce the upper bound in Chebyshev’s theorem. (a)Prove that there exists a constant csuch that ˇ(2x) ˇ(x) c x logx for all real numbers x 2.The principal result of this section is the Chebyshev alternation theorem (also called the Chebyshev equioscillation theorem), which gives necessary and sufficient conditions for a polynomial \(p\in \mathscr {P}_n\) to be a polynomial of best approximation to a given continuous function f(x) on [a, b] (on a more general compact set Q).This …Note: Chebyshev’s Theorem offers only a rough estimation but serves to establish the relationship that exists between the number of standard deviations from the mean and the percentage/proportion of the data surrounding the mean. Demonstration 1: On the first test in BA254, the data indicated that the mean score was 125 and the standard ...In this video we discuss what is, and how to use Chebyshev's theorem and the empirical rule for distributions in statistics. We define both of these topics ...Note: Technically, Chebyshev’s Inequality is defined by a different formula than Chebyshev’s Theorem. That said, it’s become common usage to confuse the two terms ; A quick Google search for “Chebyshev’s Inequality” will bring up a dozen sites using the formula (1 – (1 / k 2 )). Chebyshev's Theorem is a rule of thumb that tells you what the standard deviation means, the same as before, for data that's not bell-shaped. Okay? For data ...Aug 17, 2019 · It was developed by a Russian mathematician called Pafnuty Chebyshev. The theorem states that: For any set of observations, whether sample or population data and regardless of the shape of the distribution, the percentage of the observations that lie within k standard deviations of the mean is at least \(1 – \cfrac {1}{k^2}\) for all \(k > 1\). A series of free Statistics Lectures in videos. Chebyshev’s Theorem - In this video, I state Chebyshev’s Theorem and use it in a ‘real life’ problem. Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step ...Chebyshev’s inequality (other wise known as Chebyshev’s theorem)[1] was designed to determine a lower bound of the percentage of data that exists within k number of standardStatistics Chebyshev's Theorem in Urdu Hindi What is Chebyshev's TheoremExample 1: Use Chebyshev’s Theorem to find what percentage of values will fall between 30 and 70 for a dataset with a mean of 50 and standard deviation of 10. First, determine the value for k. We can …Subject classifications. Bertrand's postulate, also called the Bertrand-Chebyshev theorem or Chebyshev's theorem, states that if n>3, there is always at least one prime p between n and 2n-2. Equivalently, if n>1, then there is always at least one prime p such that n<p<2n. The conjecture was first made by Bertrand in 1845 (Bertrand 1845; Nagell ... Question: Time Spent Online Americans spend an average of 3 hours per day online. If the standard deviation is 37 minutes, find the range in which at least 88.89% of the data will lie. Use Chebyshev's theorem. Round your k to the nearest whole number. At least 88.89% of the data will lie between and minutes. There are 3 steps to solve this one.Chebyshev’s theorem is a valuable tool in probability theory and is widely used in statistical analysis to make general statements about the spread of data. Chebyshev’s Theorem applies to all probability distributions where you can calculate the mean and standard deviation, while the Empirical Rule applies only to the normal …Sep 16, 2021 · The above proof of a special case of Bernoulli’s theorem follows the arguments of P. L. Chebyshev that he used to prove his inequality and does not require concepts such as independence, mathematical expectation, and variance. The proved law of large numbers is a special case of Chebyshev’s theorem, which was proved in 1867 (in …This video shows how to solve applications involving Chebyshev's Theorem.Chebyshev’s inequality, in probability theory, a theorem that characterizes the dispersion of data away from its mean (average). The general theorem is attributed to the 19th-century Russian mathematician Pafnuty Chebyshev, though credit for it should be shared with the French mathematician. Statistics and Probability questions and answers. Select all that apply Which of the following is true regarding the application of Chebyshev's theorem and the Empirical Rule? Check all that apply. Chebyshev's theorem applies to any set of values. Chebyshev's theorem works for symmetrical, bell-shaped distributions. BUders üniversite matematiği derslerinden olasılık ve istatistik dersine ait "Chebyshev Eşitsizliği (Chebyshev's Inequality)" videosudur. Hazırlayan: Kemal D...This is a brief video concerning the premises of Chebyshev's Theorem, and how it is used in practical applications.True, Chebyshev's inequality is less precise than the empirical rule, but will work for any distribution, while the ... Chebychev's Theorem estimates proportions of data contained within infinite standard deviations and the Empirical Rule has a …Chebyshev’s inequality is a probability theory that guarantees only a definite fraction of values will be found within a specific distance from the mean of a distribution. The fraction for which no more than a certain number of values can exceed is represented by 1/K2. Chebyshev’s inequality can be applied to a wide range of distributions ...Cognate Linkages the Roberts – Chebyshev Theorem 509 Fig. 5. Chebyshev linkages Fig. 6. Extended Chebyshev linkage Chebyshev had already shown that in order to get the best approximation of a straight line the linkage must satisfy two conditions. First the distance CC 1 must be equal to 1/3 (AC + A 1C 1 + AA 1). The second says that the ...Chebyshev inequality in statistics is used to add confidence intervals (95%) for the mean of a normal distribution. It was first articulated by Russian mathematician Pafnuty Chebyshev in 1870. And it is known as one of the most useful theoretical theorem of probability theory. It is mainly used in mathematics, economics, and finance and helps ...Feb 23, 2011 · Thanks to all of you who support me on Patreon. You da real mvps! $1 per month helps!! :) https://www.patreon.com/patrickjmt !! Chebyshev's Theorem - In t... 15 minutes. 1 pt. True or False: The percentages obtained by Chebyshev's Theorem are conservative lower estimates. The percent of data between any two boundaries is usually much more than the number given by the Theorem. True.It should be emphasized that, although Chebyshev’s Inequality proves the Law of Large Numbers, it is actually a very crude inequality for the probabilities involved. However, its strength lies in the fact that it is true for any random variable at all, and it allows us to prove a very powerful theorem.Jan 12, 2011 ... 3 Answers 3 ... So P(|X−μ|≥kσ)≤1k2. The central 60% is 1−P(|X−μ|≤kσ)=0.4. ... This is the one that says the probability of being outside k ...Chebyshev's Interval refers to the intervals you want to find when using the theorem. For example, your interval might be from -2 to 2 standard deviations from the mean. Chebyshev's inequality, also known as Chebyshev's theorem, makes a fairly broad but useful statement about data dispersion for almost any data distribution.Chebyshev’s Theorem was formulated by Pafnuty Chebyshev, a Russian mathematician, in the late 19th century. It was a significant advancement in probability theory, offering a way to understand ...Chebyshev’s Theorem is named after the Russian mathematician Pafnuty Chebyshev and is a fundamental concept in probability and statistics. It provides a way to estimate the minimum percentage of data points that fall within a certain range of standard deviations from the mean in any data set. Instructions: This Chebyshev's Rule calculator will show you how to use Chebyshev's Inequality to estimate probabilities of an arbitrary distribution. You can estimate the probability that a random variable X X is within k k standard deviations of the mean, by typing the value of k k in the form below; OR specify the population mean \mu μ ... Jan 12, 2011 ... 3 Answers 3 ... So P(|X−μ|≥kσ)≤1k2. The central 60% is 1−P(|X−μ|≤kσ)=0.4. ... This is the one that says the probability of being outside k ...A series of free Statistics Lectures in videos. Chebyshev’s Theorem - In this video, I state Chebyshev’s Theorem and use it in a ‘real life’ problem. Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step ...Chebyshev’s inequality (other wise known as Chebyshev’s theorem)[1] was designed to determine a lower bound of the percentage of data that exists within k number of standardOct 13, 2020 ... The Chebyshev's theorem presupposes that in the process of a probability distribution, almost every element is going to be very close to the ...To integrate (2.14), we recall Chebyshev’s theorem [20, 21]: For rational numbers p,q,r (r=0) and nonzero real numbers α,β, the integral I = Z xp(α+βxr)qdx (2.15) 2In the cosmological literature (2.5) is often referred to as the Friedmann equation and (2.6) somewhat anachronistically as the Raychaudhuri equation.Please note the mistake in subtraction at about 4 minutes. 26 - 10.5 is 15.5 -- I accidentally wrote 25.5 when doing that. Thanks for point out the error!!...In this regard, we propose a scheme to determine WCETs by Chebyshev theorem to make a trade-off between the number of scheduled tasks at design-time and the ...Exercises - Chebyshev's Theorem. What amount of data does Chebyshev's Theorem guarantee is within three standard deviations from the mean? k = 3 in the formula and k 2 = 9, so 1 − 1 / 9 = 8 / 9. Thus 8 / 9 of the data is guaranteed to be within three standard deviations of the mean. Given the following grades on a test: 86, 92, 100, 93, 89 ... Jan 10, 2024 · Chebyshev’s Theorem was formulated by Pafnuty Chebyshev, a Russian mathematician, in the late 19th century. It was a significant advancement in probability theory, offering a way to understand ... Please note the mistake in subtraction at about 4 minutes. 26 - 10.5 is 15.5 -- I accidentally wrote 25.5 when doing that. Thanks for point out the error!!...Chebyshev's theorem. Chebyshev's theorem is any of several theorems proven by Russian mathematician Pafnuty Chebyshev. Bertrand's postulate, that for every n there is a prime between n and 2 n. Chebyshev's inequality, on the range of standard deviations around the mean, in statistics. Pafnuty Lvovich Chebyshev (Russian: Пафну́тий Льво́вич Чебышёв, IPA: [pɐfˈnutʲɪj ˈlʲvovʲɪtɕ tɕɪbɨˈʂof]) (16 May [ O.S. 4 May] 1821 – 8 December [ O.S. 26 November] 1894) [2] was a Russian mathematician and considered to be the founding father of Russian mathematics. Chebyshev is known for his fundamental ... Diagram for proof of Chebyshev's theorem. Then, dividing the integral into three parts as shown in Figure 2, we get σ2 = ∫ μ−kσ. −q. (x−μ)2 · f(x) dx+.Nov 19, 2019 · In this video, we are given a mean and standard deviation, and we are trying to find an interval that will capture at least x% of the data set. This can be d...Jun 29, 2021 ... The innermost expression, R−Ex[R], is precisely the deviation of R above its mean. Squaring this, we obtain, (R−Ex[R])2. This is a random ...Chebyshev’s Theorem was formulated by Pafnuty Chebyshev, a Russian mathematician, in the late 19th century. It was a significant advancement in probability theory, offering a way to understand ...By Chebyshev’s Theorem, at least 3/4 of the data are within this interval. Since 3/4 of 50 is 37.5, this means that at least 37.5 observations are in the interval. But one cannot take a fractional observation, so we conclude that at least 38 observations must lie inside the interval (22,34). The interval (22,34) is the one that is formed by adding and subtracting two standard deviations from the mean. By Chebyshev's Theorem, at least 3/4 of the data ...Four Problems Solved Using Chebyshev's Theorem. Chebyshev’s theorem states that the proportion or percentage of any data set that lies within k standard deviation of the mean where k is any positive integer greater than 1 is at least 1 – 1/k^2. Below are four sample problems showing how to use Chebyshev's theorem to solve word problems.In this video, we demonstrate how to use Chebyshev's theorem to find an interval that captures at least 94% of the data. This video is part of the content av...Jun 1, 2023 · Chebyshev’s theorem is a valuable tool in probability theory and is widely used in statistical analysis to make general statements about the spread of data. Chebyshev’s Theorem applies to all probability distributions where you can calculate the mean and standard deviation, while the Empirical Rule applies only to the normal distribution. Pafnuty Lvovich Chebyshev (Russian: Пафну́тий Льво́вич Чебышёв, IPA: [pɐfˈnutʲɪj ˈlʲvovʲɪtɕ tɕɪbɨˈʂof]) (16 May [ O.S. 4 May] 1821 – 8 December [ O.S. 26 November] 1894) [2] was a Russian mathematician and considered to be the founding father of Russian mathematics. Chebyshev is known for his fundamental ... . Lady gaga hold my handThis statistics video provides a basic introduction into Chebyshev's theorem which states that the minimum percentage of distribution values that lie within ... According to Chebyshev's inequality, at least (1-1/k^2) of the distribution's …. Apply Chebyshev's Theorem to find the least possible fraction of the numbers in a data set lying within standard deviations of the mean. At least of all numbers must lie within (Type an integer or a simplified fraction.) standard deviations from the mean.Mar 9, 2019 · Chebyshev theorem. 1. Chebyshev’s Theorem. 2. Relations between the Mean and the Standard Deviation • The mean is a measure of the centrality of a set of observations. • The standard deviation is a measure of their spread. • There are two general rules that establish a relation between these measures and the set of observations.Mar 15, 2022 ... Harish Garg•108K views · 31:15. Go to channel · But what is the Central Limit Theorem? 3Blue1Brown•3M views · 21:51. Go to channel · Ch...A series of free Statistics Lectures in videos. Chebyshev’s Theorem - In this video, I state Chebyshev’s Theorem and use it in a ‘real life’ problem. Try the free Mathway calculator …Jul 31, 2023 · It should be emphasized that, although Chebyshev’s Inequality proves the Law of Large Numbers, it is actually a very crude inequality for the probabilities involved. However, its strength lies in the fact that it is true for any random variable at all, and it allows us to prove a very powerful theorem. Find the range of values for at least 75% chebyshev's theoremTime Stamps0:00 Intro0:16 Key Words0:38 Formula1:04 Setting up and solving2:03 Plugin result to ... Chebyshev's theorem. Chebyshev's theorem is any of several theorems proven by Russian mathematician Pafnuty Chebyshev. Bertrand's postulate, that for every n there is a prime between n and 2 n. Chebyshev's inequality, on the range of standard deviations around the mean, in statistics. Feb 6, 2010 ... I've begun creatively insulting the theorists and their theorems. Chebyshev's theorem? Nope. Chubbynut's Nonsense (it's not my fault his first ...Cite this chapter. Chandrasekharan, K. (1968). Chebyshev’s theorem on the distribution of prime numbers. In: Introduction to Analytic Number Theory. Die Grundlehren der mathematischen Wissenschaften in Einzeldarstellungen mit besonderer Berücksichtigung der Anwendungsgebiete, vol 148.Chebyshev’s inequality theorem provides a lower bound for a proportion of data inside an interval that is symmetric about the mean whereas the Empirical theorem provides the approximate amount of data within a given interval. This is my attempt to put the difference between the two theorems. Let me know if you have difficulties in ...Nov 15, 2012 · This problem is a basic example that demonstrates how and when to apply Chebyshev's Theorem. This video is a sample of the content that can be found at http... 2. Next, divide 1 by the answer from step 1 above: 1 2.25 =0.44444444444444 1 2.25 = 0.44444444444444. 3. Subtract the answer in step 2 above from the number 1: 1−0.44444444444444 1 − 0.44444444444444 = 0.55555555555556 = 0.55555555555556. 4. Multiply by 100 to get the percent. Here, we round to at most 2 decimal places. = 55.56% = 55.56 %. Apr 14, 2018 · As you can see Chebyshev’s inequality gives an only upper limit of probability deviation. Probability can’t be more than this value no matter what. The law of large numbers is a theorem that describes the result of performing the same experiment a large number of times. According to the law, the average of the results obtained from a …Chebyshev inequality in statistics is used to add confidence intervals (95%) for the mean of a normal distribution. It was first articulated by Russian mathematician Pafnuty Chebyshev in 1870. And it is known as one of the most useful theoretical theorem of probability theory. It is mainly used in mathematics, economics, and finance and helps ...Chebyshev’s Theorem Formula: Chebyshev’s theorem formula helps to find the data values which are 1.5 standard deviations away from the mean. When we compute the values from Chebyshev’s formula 1- (1/k^2), we get the 2.5 standard deviation from the mean value. Chebyshev’s Theorem calculator allow you to enter the values of “k ...Mar 15, 2020 ... A relative frequency histogram for the data set in the table above. Page 3. Lecture # 5 - Dr. Mazin A. 3. 15 March 2020. -Keys: - The Empirical ...exists, then it is 1 (Havil 2003, p. 186). Derbyshire's (2004, p. 124) statement that in 1850, Chebyshev also showed that cannot differ from by more than approximately 10% is therefore correct only for sufficiently large .. Hadamard and de la Vallée Poussin independently proved the prime number theorem in 1896 by showing that the Riemann …Jan 20, 2019 · With the use of Chebyshev’s inequality, we know that at least 75% of the dogs that we sampled have weights that are two standard deviations from the mean. Two times the standard deviation gives us 2 x 3 = 6. Subtract and add this from the mean of 20. This tells us that 75% of the dogs have weight from 14 pounds to 26 pounds. Chebyshev’s Theorem or Chebyshev’s inequality, also called Bienaymé-Chebyshev inequality, is a theorem in probability theory that characterizes the dispersion of data away from its mean (average). Chebyshev’s inequality (named after Russian mathematician Pafnuty Chebyshev) puts an upper bound on the probability that an observation is at ... Jan 20, 2019 ... It is not like the empirical relationship between the mean and mode, or the rule of thumb that connects the range and standard deviation..Popular TopicsNorth to alaskaSleep with step momBulk video downloaderMassive fire south park charlotte ncHow to get a sim cardGranja de zenonHow to update apple watchCall of duty nicki minajFb video download onlineSkull crusherDavid njoku burnsMorgan wallen new songsHow to attempt to use pinterest for androidScientology near me}