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According to a study conducted by a statistical organization, the proportion of people who are satisfied with the way things are going in their lives is 0.82. Suppose that a random sample of 100 people is obtained. Complete parts (a) and (b) below. (a) Describe the sampling distribution of p, the proportion of people who are satisfied with the way things are going in their life. Be sure to verify the model requirements. Since the sample size is no more than 5% of the population size and np(1-p)-14.76 10, the distribution of p is approximately normal with and (Round to three decimal places as needed) (b) What is the probability that the proportion who are satisfied with the way things are going in their life exceeds 0.857 The probability that the proportion who are satisfied with the way things are going in their life exceeds 0.85 is (Round to four decimal places as needed)

According to a study conducted by a statistical organization, the proportion of people who are satisfied with the way things are going in their lives is 0.82. Suppose that a random sample of 100 people is obtained. Complete parts (a) and (b) below. (a) Describe the sampling distribution of p, the proportion of people who are satisfied with the way things are going in their life. Be sure to verify the model requirements. Since the sample size is no more than 5% of the population size and np(1-p)-14.76 10, the distribution of p is approximately normal with and (Round to three decimal places as needed) (b) What is the probability that the proportion who are satisfied with the way things are going in their life exceeds 0.857 The probability that the proportion who are satisfied with the way things are going in their life exceeds 0.85 is (Round to four decimal places as needed)

MATLAB: An Introduction with Applications
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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- According to a study conducted by a statistical organization, the proportion of people who are satisfied with the way things are going in their lives is 0.82. Suppose that a random sample of 100 people is obtained. Complete parts (a) and (b) below. (a) Describe the sampling distribution of p, the proportion of people who are satisfied with the way things are going in their life. Be sure to verify the model requirements. Since the sample size is no more than 5% of the population size and np(1-p)-[14.76 ≥10, the distribution of p is approximately normal with and P (Round to three decimal places as needed.) (b) What is the probability that the proportion who are satisfied with the way things are going in their life exceeds 0.85? The probability that the proportion who are satisfied with the way things are going in their life exceeds 0.85 is (Round to four decimal places as needed.)
Transcribed Image Text:- According to a study conducted by a statistical organization, the proportion of people who are satisfied with the way things are going in their lives is 0.82. Suppose that a random sample of 100 people is obtained. Complete parts (a) and (b) below. (a) Describe the sampling distribution of p, the proportion of people who are satisfied with the way things are going in their life. Be sure to verify the model requirements. Since the sample size is no more than 5% of the population size and np(1-p)-[14.76 ≥10, the distribution of p is approximately normal with and P (Round to three decimal places as needed.) (b) What is the probability that the proportion who are satisfied with the way things are going in their life exceeds 0.85? The probability that the proportion who are satisfied with the way things are going in their life exceeds 0.85 is (Round to four decimal places as needed.)
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