K 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) through (e) below. (a) Suppose the random sample of 100 people is asked, "Are you satisfied with the way things are going in your life?" Is the response to this question qualitative or quantitative? Explain. OA. The response is qualitative because the number of people satisfied can be counted. OB. The response is qualitative because the responses can be classified based on the characteristic of being satisfied or not. OC. The response is quantitative because the responses can be classified based on the characteristic of being satisfied or not. O D. The response is quantitative because the number of people satisfied can be counted. (b) Explain why the sample proportion, p, is a random variable. What is the source of the variability? OA. The sample proportion p is a random variable because the value of p represents a random person included in the sample. The variability is due to the fact that different people feel diffe regarding their satisfaction. OB. The sample proportion p is a random variable because the value of p represents a random person included in the sample. The variability is due to the fact that people may not be respo to the question truthfully. OC. The sample proportion p is a random variable because the value of p varies from sample to sample. The variability is due to the fact that people may not be responding to the question truthfully. OD. The sample proportion p is a random variable because the value of p varies from sample to sample. The variability is due to the fact that different people feel differently regarding their satisfaction. a (c) 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. with and σA 5% of the population size and np(1-p) = 210, the distribution of p is
K 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) through (e) below. (a) Suppose the random sample of 100 people is asked, "Are you satisfied with the way things are going in your life?" Is the response to this question qualitative or quantitative? Explain. OA. The response is qualitative because the number of people satisfied can be counted. OB. The response is qualitative because the responses can be classified based on the characteristic of being satisfied or not. OC. The response is quantitative because the responses can be classified based on the characteristic of being satisfied or not. O D. The response is quantitative because the number of people satisfied can be counted. (b) Explain why the sample proportion, p, is a random variable. What is the source of the variability? OA. The sample proportion p is a random variable because the value of p represents a random person included in the sample. The variability is due to the fact that different people feel diffe regarding their satisfaction. OB. The sample proportion p is a random variable because the value of p represents a random person included in the sample. The variability is due to the fact that people may not be respo to the question truthfully. OC. The sample proportion p is a random variable because the value of p varies from sample to sample. The variability is due to the fact that people may not be responding to the question truthfully. OD. The sample proportion p is a random variable because the value of p varies from sample to sample. The variability is due to the fact that different people feel differently regarding their satisfaction. a (c) 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. with and σA 5% of the population size and np(1-p) = 210, the distribution of p is
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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Transcribed Image Text:K
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) through (e) below.
(a) Suppose the random sample of 100 people is asked, "Are you satisfied with the way things are going in your life?" Is the response to this question qualitative or quantitative? Explain.
OA. The response is qualitative because the number of people satisfied can be counted.
OB. The response is qualitative because the responses can be classified based on the characteristic of being satisfied or not.
OC. The response is quantitative because the responses can be classified based on the characteristic of being satisfied or not.
OD. The response is quantitative because the number of people satisfied can be counted.
(b) Explain why the sample proportion, p, is a random variable. What is the source of the variability?
OA. The sample proportion p is a random variable because the value of p represents a random person included in the sample. The variability is due to the fact that different people feel differem
regarding their satisfaction.
X
OB. The sample proportion p is a random variable because the value of p represents a random person included in the sample. The variability is due to the fact that people may not be respond
to the question truthfully.
OC. The sample proportion p is a random variable because the value of p varies from sample to sample. The variability is due to the fact that people may not be responding to the question
truthfully.
OD. The sample proportion p is a random variable because the value of p varies from sample to sample. The variability is due to the fact that different people feel differently regarding their
satisfaction.
(c) 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
than 5% of the population size and np(1-p) => 10, the distribution of p is
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