since an instant system for tennis was introduced at a major tournament, men challenged 1387 referee calls, with the result that 414 of the calls were overturned. women challenged 743 referee calls,...

since an instant system for tennis was introduced at a major tournament, men challenged 1387 referee calls, with the result that 414 of the calls were overturned. women challenged 743 referee calls, and 221 of the calls were overturned. use 0.01 significance to test the claim that me. and women have equal success at challenging calls