A poll of 2,040 randomly selected adults showed that 89% 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 approximati to the binomial distribution, and assume a 0.05 significance level to complete parts (a) through (e). Test of p=0.92 vs p *0.92 Sample X 1 N 2,040 Sample p 0.893137 95% CI (0.879731,0.906543) Z-Value -4.47 P-Value 0.000 1822 COLL Choose the correct answer below. OA. Reject the null hypothesis because the P-value is less than or equal to the significance level, a OB. Fail to reject the null hypothesis because the P-value is less than or equal to the significance level, a OC. Reject the null hypothesis because the P-value is greater than the significance level, a OD. Fail to reject the null hypothesis because the P-value is greater than the significance level, a. e. What is the final conclusion? OA. There is sufficient evidence to warrant rejection of the claim that 92% of adults own a cell phone. OB. There is not sufficient evidence to support the claim that 92% of adults own a cell phone. OC. There is sufficient evidence to support the claim that 92% of adults own a cell phone. OR. There is not sufficient evidence to warrant reiection of the claim that 92% of adults own a cell phone.
A poll of 2,040 randomly selected adults showed that 89% 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 approximati to the binomial distribution, and assume a 0.05 significance level to complete parts (a) through (e). Test of p=0.92 vs p *0.92 Sample X 1 N 2,040 Sample p 0.893137 95% CI (0.879731,0.906543) Z-Value -4.47 P-Value 0.000 1822 COLL Choose the correct answer below. OA. Reject the null hypothesis because the P-value is less than or equal to the significance level, a OB. Fail to reject the null hypothesis because the P-value is less than or equal to the significance level, a OC. Reject the null hypothesis because the P-value is greater than the significance level, a OD. Fail to reject the null hypothesis because the P-value is greater than the significance level, a. e. What is the final conclusion? OA. There is sufficient evidence to warrant rejection of the claim that 92% of adults own a cell phone. OB. There is not sufficient evidence to support the claim that 92% of adults own a cell phone. OC. There is sufficient evidence to support the claim that 92% of adults own a cell phone. OR. There is not sufficient evidence to warrant reiection of the claim that 92% of adults own a cell phone.
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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Transcribed Image Text:A poll of 2,040 randomly selected adults showed that 89% 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 *0.92
Sample X
95% CI
N
2,040
Sample p
0.893137
Z-Value
P.Value
0.000
1
1822
(0.879731,0.906543) -4.47
Choose the correct answer below.
O A. Reject the null hypothesis because the P-value is less than or equal to the significance level, a.
OB. Fail to reject the null hypothesis because the P-value is less than or equal to the significance level, a.
OC. Reject the null hypothesis because the P-value is greater than the significance level, a.
OD. Fail to reject the null hypothesis because the P-value is greater than the significance level, a
e. What is the final conclusion?
OA. There is sufficient evidence to warrant rejection of the claim that 92% of adults own a cell phone.
OB. There is not sufficient evidence to support the claim that 92% of adults own a cell phone.
OC. There is sufficient evidence to support the claim that 92% of adults own a cell phone.
D. There is not sufficient evidence to warrant reiection of the claim that 92% of adults own a cell phone.
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