Question

In: Statistics and Probability

Since an instant replay system for tennis was introduced at a major​ tournament, men challenged 1382...

Since an instant replay system for tennis was introduced at a major​ tournament, men challenged 1382 referee​ calls, with the result that 420 of the calls were overturned. Women challenged 765 referee​ calls, and 214 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.

What are the null and alternative hypotheses for the hypothesis​ test?

identify the test statistic and p-value

Test the claim by constructing an appropriate confidence interval. The 99​%confidence interval is_______

Based on the​ results, does it appear that men and women may have equal success in challenging​ calls?

Solutions

Expert Solution

As null hypothesis is accepted, we conclude that the claim is true that the main and women have equal chance of success.

As confidence interval contains zero, we conclude that the clam is true that the main and women have equal chance


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