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

1386 referee calls, with the result that 431 of the calls were overturned. Women challenged 757

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. Complete parts (a) through (c) below.

Test statistic:

Z=1.49

P-Vaule=.136

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

95% confidence interval is

enter your response here

(Round to three decimal places as needed.)

(can someone show me using the formula solution Still confused about the steps.