A poll of 2,122 randomly selected adults showed that 93% of them own cell phones. The technology display below results from a test of the claim that 92% 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 = 0.92 vs p *0.92Sample X1N2,1221970Sample p0.92836995% CIThe P-value is(Round to three decimal places as needed.)(0.917397,0.939341)a. Is the test two-tailed, left-tailed, or right-tailed?O Two-tailed testO Left-tailed testO Right tailed testb. What is the test statistic?The test statistic is(Round to two decimal places as needed.)c. What is the P-value?Z-Value1.42P-Value0.155 d. What is the null hypothesis and what do you conclude about it?Identify the null hypothesis.OA. Ho: p=0.92O B. Ho: p<0.92OC. Ho: p=0.92O D. Ho: p>0.92Choose the correct answer below.O A. Fail to reject the null hypothesis because the P-value is greater than the significance level, a.Reject the null hypothesis because the P-value is less than or equal to the significance level, c.B.O C. Reject the null hypothesis because the P-value is greater than the significance level, c.D.Fail to reject the null hypothesis because the P-value is less than or equal to the significance level, a.e. What is the final conclusion?A. There is sufficient evidence to support the claim that 92% of adults own a cell phone.

Given that N= 2122, X = 1970, p= 0.92

Answered: A poll of 2,122 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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