Question Help ▼A poll of 2,009 randomly selected adults showed that 95% of them own cell phones. The technology display below results from a test of the claim that 94% of adults own cell phones. Use the normal distribution as anapproximation to the binomial distribution, and assume a 0.05 significance level to complete parts (a) through (e).Test of p = 0.94 vs p + 0.94Sample XSample p95% CIZ-ValueP-Value119122,0090.951717(0.942344,0.961091)2.210.027O C. Ho: p>0.94O D. Ho: p<0.94Choose the correct answer below.O A. Reject the null hypothesis because the P-value is less than or equal to the significance level, a.B. Reject the null hypothesis because the P-value is greater than the significance level, a.OC. Fail to reject the null hypothesis because the P-value is less than or equal to the significance level, a.O D. Fail to reject the null hypothesis because the P-value is greater than the significance level, a.e. What is the final conclusion?O A. There is not sufficient evidence to warrant rejection of the claim that 94% of adults own a cell phone.O B. There is sufficient evidence to warrant rejection of the claim that 94% of adults own a cell phone.O C. There is sufficient evidence to support the claim that 94% of adults own a cell phone.O D. There is not sufficient evidence to support the claim that 94% of adults own a cell phone. A poll of 2,009 randomly selected adults showed that 95% of them own cell phones. The technology display below results from a test of the claim that 94% of adults own cell phones. Use the normal distribution as anapproximation to the binomial distribution, and assume a 0.05 significance level to complete parts (a) through (e).Test of p 0.94 vs p 0.94Sample XSample p95% CIZ-ValueP-Value119122,0090.951717(0.942344,0.961091)2.210.027a. Is the test two-tailed, left-tailed, or right-tailed?O Right tailed testO Left-tailed testO Two-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?Identify the null hypothesis.O A. Ho: p=0.94TrashClick to select your answer(s).

The random variable cell phones follow binomial distribution. We have to use normal approximation to…

A poll of 2,009 randomly selected adults showed that 95% of them own cell phones. The technology display below results from a test of the claim that 94% 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 = 0.94 vs p#0.94 Sample X Sample p 95% CI Z-Value P-Value 1912 2,009 0.951717 (0.942344,0.961091) 2.21 0.027 a. Is the test two-tailed, left-tailed, or right-tailed? O Right tailed test Left-tailed test Two-tailed test b. 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 isN. (Round to three decimal places as needed.) d. What is the null hypothesis and what do you conclude about it? Identify the null hypothesis. O A. Ho: p=0.94

A poll of 2,009 randomly selected adults showed that 95% of them own cell phones. The technology display below results from a test of the claim that 94% 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 = 0.94 vs p#0.94 Sample X Sample p 95% CI Z-Value P-Value 1912 2,009 0.951717 (0.942344,0.961091) 2.21 0.027 a. Is the test two-tailed, left-tailed, or right-tailed? O Right tailed test Left-tailed test Two-tailed test b. 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 isN. (Round to three decimal places as needed.) d. What is the null hypothesis and what do you conclude about it? Identify the null hypothesis. O A. Ho: p=0.94

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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