If a binomial distribution applies with a sample size of n= 20, find the values below.a. The probability of 5 successes if the probability of a success is 0.55b. The probability of at least 7 successes if the probability of a success is 0.15c. The expected value, n=d.20, p = 0.60The standard deviation, n = 20, p= 0.60a. The probability of 5 successes if the probability of a success is 0.55 is(Round to four decimal places as needed.)b. The probability of at least 7 successes if the probability of a success is 0.15 is(Round to four decimal places as needed.)c. The expected value is(Type an integer or a decimal.)d. The standard deviation is. (Round to four decimal places as needed.)

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Answered: If a binomial distribution applies with…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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20. Sampling distribution. From 1975 through 2016, the mean gain of the Down jones industrial average was 470. A random sample of 32 years is selected from population. What is the probability that the mean gain for the sample was between 200 and 500. The standard deviation of population is 1215
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The population mean and standard deviation are given below. Find the indicated probability and determine whether a sample mean in the given range below would be considered unusual. If convenient, use technology to find the probability. For a sample of n 38, find the probability of a sample mean being less than 12,750 or greater than 12,753 when u = 12,750 and o = 1.8. For the given sample, the probability of a sample mean being less than 12,750 or greater than 12,753 is. (Round to four decimal places as needed.) Would the given sample mean be considered unusual? O A. The sample mean would not be considered unusual because there is a probability greater than 0.05 of the sample mean being within this range. O B. The sample mean would be considered unusual because there is a probability greater than 0.05 of the sample mean being within this range. OC. The sample mean would not be considered unusual because there is a probability less than 0.05 of the sample mean being within this range. O…
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