For numbers 12-15, refer to the given problem below. Suppose that the percentage of female physicians is 27%. In a survey of physicians, 45 of 120 are women. Is there sufficient evidence at a = 0.01 to claim that the proportion of women physicians is greater than 27%? 12. Choose the correct hypotheses. A. Ho: p = 0.27; H₁: p > 0.27 B. Ho: p = 0.27; Ha: p < 0.27 C. Ho: p = 0.27; Ha: p * 0.27 D. Ho: p > 0.27; Ha: p = 0.27 13. What is the value of z? A. -2.59 B. -0.005 C. 0.005 D. 2.59 14. Which is closest to the p-value? A. 0.0005 B. 0.005 C. 0.05 D. 0.5 15. What is the correct decision and conclusion? A. Change the alternative hypothesis. B. There are no possible decision and conclusion. C. Reject the null hypothesis because there is enough evidence to support the claim that the proportion of women physicians is greater than 27%. D. Fail to reject the null hypothesis because there is not enough evidence to support the claim that the proportion of women physicians is greater than 27%.
For numbers 12-15, refer to the given problem below. Suppose that the percentage of female physicians is 27%. In a survey of physicians, 45 of 120 are women. Is there sufficient evidence at a = 0.01 to claim that the proportion of women physicians is greater than 27%? 12. Choose the correct hypotheses. A. Ho: p = 0.27; H₁: p > 0.27 B. Ho: p = 0.27; Ha: p < 0.27 C. Ho: p = 0.27; Ha: p * 0.27 D. Ho: p > 0.27; Ha: p = 0.27 13. What is the value of z? A. -2.59 B. -0.005 C. 0.005 D. 2.59 14. Which is closest to the p-value? A. 0.0005 B. 0.005 C. 0.05 D. 0.5 15. What is the correct decision and conclusion? A. Change the alternative hypothesis. B. There are no possible decision and conclusion. C. Reject the null hypothesis because there is enough evidence to support the claim that the proportion of women physicians is greater than 27%. D. Fail to reject the null hypothesis because there is not enough evidence to support the claim that the proportion of women physicians is greater than 27%.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
I need answers for questions 14-15.
Transcribed Image Text:For numbers 12-15, refer to the given problem below.
Suppose that the percentage of female physicians is 27%. In a survey
of physicians, 45 of 120 are women. Is there sufficient evidence at a = 0.01
to claim that the proportion of women physicians is greater than 27%?
12. Choose the correct hypotheses.
A. Ho: p= 0.27;
H₁: p > 0.27
B.
Ho: p = 0.27;
Ha: p < 0.27
C.
Ho: p = 0.27;
Ha: p * 0.27
D. Ho: p > 0.27;
Ha: p = 0.27
13. What is the value of z?
A. -2.59
B. -0.005
C. 0.005
D. 2.59
14. Which is closest to the p-value?
A. 0.0005
B. 0.005
C. 0.05
D. 0.5
15. What is the correct decision and conclusion?
A. Change the alternative hypothesis.
B.
There are no possible decision and conclusion.
C.
Reject the null hypothesis because there is enough evidence to
support the claim that the proportion of women physicians is greater
than 27%.
D. Fail to reject the null hypothesis because there is not enough evidence
to support the claim that the proportion of women physicians is
greater than 27%.
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