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GA 022 (Round to three decimal places as needed) P (b) What is the probability that in a random sample of 500 adults, more than 42% do not own a credit card? The probability is (Round to four decimal places as needed.);

GA 022 (Round to three decimal places as needed) P (b) What is the probability that in a random sample of 500 adults, more than 42% do not own a credit card? The probability 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 survey in a country, 38% of adults do not own a credit card. Suppose a simple random sample of 500 adults is obtained. Complete parts (a) through (d) below (a) Describe the sampling distribution of p, the sample proportion of adults who do not own a credit card. Choose the phrase that best describes the shape of the sampling distribution of p below. OA. Approximately normal because n ≤0.05N and np(1-p) < 10 B. Not normal because n ≤0.05N and np(1-p) < 10 C. Approximately normal because n ≤0.05N and np(1-p) ≥ 10 D. Not normal because n ≤0.05N and np(1-p) ≥ 10 Determine the mean of the sampling distribution of p H₂= HA= 38 (Round to two decimal places as needed) Determine the standard deviation of the sampling distribution of p O 022 (Round to three decimal places as needed) р (b) What is the probability that in a random sample of 500 adults, more than 42% do not own a credit card? The probability is (Round to four decimal places as needed.)
Transcribed Image Text:According to a survey in a country, 38% of adults do not own a credit card. Suppose a simple random sample of 500 adults is obtained. Complete parts (a) through (d) below (a) Describe the sampling distribution of p, the sample proportion of adults who do not own a credit card. Choose the phrase that best describes the shape of the sampling distribution of p below. OA. Approximately normal because n ≤0.05N and np(1-p) < 10 B. Not normal because n ≤0.05N and np(1-p) < 10 C. Approximately normal because n ≤0.05N and np(1-p) ≥ 10 D. Not normal because n ≤0.05N and np(1-p) ≥ 10 Determine the mean of the sampling distribution of p H₂= HA= 38 (Round to two decimal places as needed) Determine the standard deviation of the sampling distribution of p O 022 (Round to three decimal places as needed) р (b) What is the probability that in a random sample of 500 adults, more than 42% do not own a credit card? The probability is (Round to four decimal places as needed.)
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