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Since an instant replay system for tennis was introduced at a majortournament, men challenged1438 refereecalls, with the result that413 of the calls were overturned. Women

Since an instant replay system for tennis was introduced at a majortournament, men challenged1438

refereecalls, with the result that413 of the calls were overturned. Women challenged750 refereecalls, and212 of the calls were overturned. Use a0.05 significance level to test the claim that men and women have equal success in challenging calls. Complete parts(a) through(c) below.

Identify the test statistic.

Z=

Identify theP-value.

P-value=

b. Test the claim by constructing an appropriate confidence interval.

The 95% confidence interval is

?

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