Since an instant replay system for tennis was introduced at a major tournament, men challenged 1421 referee calls, with the result that 430 of the calls were overturned. Women challenged 745 referee calls, and 213 of the calls were overturned. Use a 0.01 significance level to test the claim that men and women have equal success in challenging calls. a. Identify the test statistic. z= (Round to two decimal places as needed.) b. Identify the P-value. P-value= (Round to three decimal places as needed.) c. Test the claim by constructing an appropriate confidence interval. The 99% confidence interval is
Since an instant replay system for tennis was introduced at a major tournament, men challenged 1421 referee calls, with the result that 430 of the calls were overturned. Women challenged 745 referee calls, and 213 of the calls were overturned. Use a 0.01 significance level to test the claim that men and women have equal success in challenging calls. a. Identify the test statistic. z= (Round to two decimal places as needed.) b. Identify the P-value. P-value= (Round to three decimal places as needed.) c. Test the claim by constructing an appropriate confidence interval. The 99% confidence interval is
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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Since an instant replay system for tennis was introduced at a major tournament, men challenged 1421 referee calls, with the result that 430 of the calls were overturned. Women challenged 745 referee calls, and 213 of the calls were overturned. Use a 0.01 significance level to test the claim that men and women have equal success in challenging calls.
a. Identify the test statistic.
z=
(Round to two decimal places as needed.)
b. Identify the P-value.
P-value=
(Round to three decimal places as needed.)
c. Test the claim by constructing an appropriate confidence interval.
The 99% confidence interval is
<p1−p2<
(Round to three decimal places as needed.)
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