Since an instant replay system for tennis was introduced at a major​ tournament, men challenged 1392 referee​ calls, with the result that 421 of the calls were overturned. Women challenged 754 referee​ calls, and 212 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

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Since an instant replay system for tennis was introduced at a major​ tournament, men challenged 1392 referee​ calls, with the result that 421 of the calls were overturned. Women challenged 754 referee​ calls, and 212 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 95% 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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