Homework Help is Here – Start Your Trial Now!
Math
Statistics
A poll of 2,123 randomly selected adults showed that 88% 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 *0.93 Sample X 1 N 2,123 1861 Sample p 0.876590 95% CI (0.862599,0.890581) Z-Value -9.65 P-Value 0.000

A poll of 2,123 randomly selected adults showed that 88% 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 *0.93 Sample X 1 N 2,123 1861 Sample p 0.876590 95% CI (0.862599,0.890581) Z-Value -9.65 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
See similar textbooks
icon
Related questions
Question

18

 

Choose the correct answer below. A. Fail to reject the null hypothesis because the P-value is less than or equal to the significance level, c. B. Fail to reject the null hypothesis because the P-value is greater than the significance level, c. C. Reject the null hypothesis because the P-value is less than or equal to the significance level, c. O D. Reject the null hypothesis because the P-value is greater than the significance level, c. e. What is the final conclusion? O A. There is not sufficient evidence to support the claim that 93% of adults own a cell phone. B. There is sufficient evidence to support the claim that 93% of adults own a cell phone. OC. There is not sufficient evidence to warrant rejection of the claim that 93% of adults own a cell phone. D. There is sufficient evidence to warrant rejection of the claim that 93% of adults own a cell phone.
Transcribed Image Text:Choose the correct answer below. A. Fail to reject the null hypothesis because the P-value is less than or equal to the significance level, c. B. Fail to reject the null hypothesis because the P-value is greater than the significance level, c. C. Reject the null hypothesis because the P-value is less than or equal to the significance level, c. O D. Reject the null hypothesis because the P-value is greater than the significance level, c. e. What is the final conclusion? O A. There is not sufficient evidence to support the claim that 93% of adults own a cell phone. B. There is sufficient evidence to support the claim that 93% of adults own a cell phone. OC. There is not sufficient evidence to warrant rejection of the claim that 93% of adults own a cell phone. D. There is sufficient evidence to warrant rejection of the claim that 93% of adults own a cell phone.
A poll of 2,123 randomly selected adults showed that 88% 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 *0.93 Sample X N 1 2,123 1861 Right tailed test Left-tailed test a. Is the test two-tailed, left-tailed, or right-tailed? Two-tailed test Sample p 0.876590 b. What is the test statistic? The test statistic is. (Round to two decimal places as needed.) c. What is the P-value? Identify the null hypothesis. O A. Ho: p<0.93 OB. Ho: p=0.93 95% CI (0.862599,0.890581) The P-value is (Round to three decimal places as needed.) d. What is the null hypothesis and what do you conclude about it? O C. Ho: p*0.93 D. Ho: p > 0.93 Z-Value - 9.65 P-Value 0.000
Transcribed Image Text:A poll of 2,123 randomly selected adults showed that 88% 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 *0.93 Sample X N 1 2,123 1861 Right tailed test Left-tailed test a. Is the test two-tailed, left-tailed, or right-tailed? Two-tailed test Sample p 0.876590 b. What is the test statistic? The test statistic is. (Round to two decimal places as needed.) c. What is the P-value? Identify the null hypothesis. O A. Ho: p<0.93 OB. Ho: p=0.93 95% CI (0.862599,0.890581) The P-value is (Round to three decimal places as needed.) d. What is the null hypothesis and what do you conclude about it? O C. Ho: p*0.93 D. Ho: p > 0.93 Z-Value - 9.65 P-Value 0.000
Expert Solution
steps

Step by step

Solved in 2 steps with 6 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman
SEE MORE TEXTBOOKS