Since an instant replay system for tennis was introduced at a major tournament, men challenged 1415 referee calls, with the result that 419 of the calls were overturned. Women challenged770 referee calls, and 225 of the calls were overturned. Use a 0.05 significance level to test the claim that men and women have equal success in challenging calls. A. Identify the test statistic. z equals (Round to two decimal places as needed.) B. Identify the P-value. P-value equals (Round to three decimal places as needed.) C. Test the claim by constructing an appropriate confidence interval. The 99% confidence interval is less than left parenthesis p 1 minus p 2 right parenthesis less than . (Round to three decimal places as needed.)
Since an instant replay system for tennis was introduced at a major tournament, men challenged 1415 referee calls, with the result that 419 of the calls were overturned. Women challenged770 referee calls, and 225 of the calls were overturned. Use a 0.05 significance level to test the claim that men and women have equal success in challenging calls. A. Identify the test statistic. z equals (Round to two decimal places as needed.) B. Identify the P-value. P-value equals (Round to three decimal places as needed.) C. Test the claim by constructing an appropriate confidence interval. The 99% confidence interval is less than left parenthesis p 1 minus p 2 right parenthesis less than . (Round to three decimal places as needed.)
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
1415 referee calls, with the result that 419 of the calls were overturned. Women challenged770 referee calls, and 225 of the calls were overturned. Use a 0.05 significance level to test the claim that men and women have equal success in challenging calls.
A. Identify the test statistic.
z equals
(Round to two decimal places as needed.)
B. Identify the P-value.
P-value equals
(Round to three decimal places as needed.)
C. Test the claim by constructing an appropriate confidence interval.
The 99% confidence interval is less than left parenthesis p 1 minus p 2 right parenthesis less than .
(Round to three decimal places as needed.)
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