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
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 3E
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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.)
Part 6
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