A poll of 2,079 randomly selected adults showed that 90% 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 0.05 significance level to complete parts (a) through (e).Test of p=0.93 vs p 0.93Sample X1N2,0791876Sample p0.90235795% CIZ-Value(089597,0.915116) - 4.94a. is the test two-talled, left-talled, or rignt-talled?O Right tailed testOLeft-tailed testOTwo-tailed testb. What is the test statistic?The test statistic is(Round to two decimal places as needed.)c. What is the P-value?The P-value is(Round to three decimal places as needed.)d. What is the null hypothesis and what do you conclude about it?13--66 LLLLLP-Value0.000…... A poll of 2,079 randomly selected adults showed that 90% 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 0.05 significance level to complete parts (a) through (e).Test of p=0.93 vs p *0.93Sample X1N2,0791876Sample p0.90235795% CI(0.889597,0.915116)Z-Value-4.94P-Value0.000RECENChoose the correct answer below.O A. Reject the null hypothesis because the P-value is less than or equal to the significance level, aOB. Fail to reject the null hypothesis because the P-value is greater than the significance level, aOC. Reject the null hypothesis because the P-value is greater than the significance level, c.OD. Fail to reject the null hypothesis because the P-value is less than or equal to the significance level, ae. What is the final conclusion?OA. There is sufficient evidence to support the claim that 93% of adults own a cell phone.OB. There is sufficient evidence to warrant rejection of the claim that 93% of adults own a cell phone.OC. There is not sufficient evidence to support the claim that 93% of adults own a cell phone.O D. There is not sufficient evidence to warrant rejection of the claim that 93% of adults own a cell phone.4

Test of p=0.93 vs p≠0.93 Sample X N Sample p 95% CI Z-Value P-Value 1 1876 2079 0.902357…

Answered: A poll of 2,079 randomly selected…

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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