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A poll of 2,173 randomly selected adults showed that 86% of them own cell phones. The technology display below results from a test of the claim that 93% of adults own cell phones. Use the normal distribution as an approximation to the binomial distribution and assume a 0.01 significance level to complete parts (a) through (e). Test of p=0.93 vs p *0.93 Sample X N 2,173 1 1865 O Left-tailed test O Right tailed test Sample p 0.858260 b. What is the test statistic? a. Is the test two-tailed, left-tailed, or right-tailed? OTwo-tailed test 95% CI The test statistic is. (Round to two decimal places as needed.) What is the P-value? (0.838988,0.877533) The P-value is (Round to three decimal places as needed.) d. What is the null hypothesis and what do you conclude about it? Identify the null hypothesis. OA. Ho: p*0.93 OB. Ho: p>0.93 Z-Value - 13.11 P-Value 0.000 **

A poll of 2,173 randomly selected adults showed that 86% of them own cell phones. The technology display below results from a test of the claim that 93% of adults own cell phones. Use the normal distribution as an approximation to the binomial distribution and assume a 0.01 significance level to complete parts (a) through (e). Test of p=0.93 vs p *0.93 Sample X N 2,173 1 1865 O Left-tailed test O Right tailed test Sample p 0.858260 b. What is the test statistic? a. Is the test two-tailed, left-tailed, or right-tailed? OTwo-tailed test 95% CI The test statistic is. (Round to two decimal places as needed.) What is the P-value? (0.838988,0.877533) The P-value is (Round to three decimal places as needed.) d. What is the null hypothesis and what do you conclude about it? Identify the null hypothesis. OA. Ho: p*0.93 OB. Ho: p>0.93 Z-Value - 13.11 P-Value 0.000 **

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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A poll of 2,173 randomly selected adults showed that 86% of them own cell phones. The technology display below results from a test of the claim that 93% of adults own cell phones. Use the normal distribution as an approximation to the binomial distribution, and assume a 0.01 significance level to complete parts (a) through (e). Test of p = 0.93 vs p *0.93 Sample X N 2,173 1 1865 Sample p 0.858260 b. What is the test statistic? 95% CI a. Is the test two-tailed, left-tailed, or right-tailed? Two-tailed test Left-tailed test Right tailed test The test statistic is. (Round to two decimal places as needed.) c. What is the P-value? (0.838988,0.877533) The P-value is (Round to three decimal places as needed.) d. What is the null hypothesis and what do you conclude about it? Identify the null hypothesis. A. Ho: p=0.93 B. Ho: p>0.93 Z-Value - 13.11 P-Value 0.000
Transcribed Image Text:A poll of 2,173 randomly selected adults showed that 86% of them own cell phones. The technology display below results from a test of the claim that 93% of adults own cell phones. Use the normal distribution as an approximation to the binomial distribution, and assume a 0.01 significance level to complete parts (a) through (e). Test of p = 0.93 vs p *0.93 Sample X N 2,173 1 1865 Sample p 0.858260 b. What is the test statistic? 95% CI a. Is the test two-tailed, left-tailed, or right-tailed? Two-tailed test Left-tailed test Right tailed test The test statistic is. (Round to two decimal places as needed.) c. What is the P-value? (0.838988,0.877533) The P-value is (Round to three decimal places as needed.) d. What is the null hypothesis and what do you conclude about it? Identify the null hypothesis. A. Ho: p=0.93 B. Ho: p>0.93 Z-Value - 13.11 P-Value 0.000
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