In 1997, a survey of 940 households showed that 151 of them use e-mail. Use those sample results to test the claim that more than 15% of households use e-mail. Use a 0.05 significance level. Use this information to answer the following questions. a. Which of the following is the hypothesis test to be conducted? A. H0: p<0.15 H1: p=0.15 B. H0: p=0.15 H1: p≠0.15 C. H0: p>0.15 H1: p=0.15 D. H0: p≠0.15 H1: p=0.15 E. H0: p=0.15 H1: p>0.15 F. H0: p=0.15 H1: p<0.15 b. What is the test statistic? z= (Round the final answer to two decimal places as needed.) c. What is the P-value? P-value= (Round to four decimal places as needed.) d. What is the conclusion? There is not sufficient evidence to support the claim that more than 15% of households use e-mail. There is sufficient evidence to support the claim that more than 15% of households use e-mail.
In 1997, a survey of 940 households showed that 151 of them use e-mail. Use those sample results to test the claim that more than 15% of households use e-mail. Use a 0.05 significance level. Use this information to answer the following questions. a. Which of the following is the hypothesis test to be conducted? A. H0: p<0.15 H1: p=0.15 B. H0: p=0.15 H1: p≠0.15 C. H0: p>0.15 H1: p=0.15 D. H0: p≠0.15 H1: p=0.15 E. H0: p=0.15 H1: p>0.15 F. H0: p=0.15 H1: p<0.15 b. What is the test statistic? z= (Round the final answer to two decimal places as needed.) c. What is the P-value? P-value= (Round to four decimal places as needed.) d. What is the conclusion? There is not sufficient evidence to support the claim that more than 15% of households use e-mail. There is sufficient evidence to support the claim that more than 15% of households use e-mail.
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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In 1997, a survey of 940 households showed that 151
of them use e-mail. Use those sample results to test the claim that more than 15% of households use e-mail. Use a 0.05 significance level. Use this information to answer the following questions.
of them use e-mail. Use those sample results to test the claim that more than 15% of households use e-mail. Use a 0.05 significance level. Use this information to answer the following questions.
a. Which of the following is the hypothesis test to be conducted?
H0: p<0.15
H1: p=0.15
H0: p=0.15
H1: p≠0.15
H0: p>0.15
H1: p=0.15
H0: p≠0.15
H1: p=0.15
H0: p=0.15
H1: p>0.15
H0: p=0.15
H1: p<0.15
b. What is the test statistic?
z=
(Round the final answer to two decimal places as needed.)
c. What is the P-value?
P-value=
(Round to four decimal places as needed.)
d. What is the conclusion?
There is not sufficient evidence to support the claim that more than 15% of households use e-mail.
There is sufficient evidence to support the claim that more than 15% of households use e-mail.
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