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Mathematics, 03.12.2019 07:58

Since an instant replay system for tennis was introduced at a major​ tournament, men challenged 1401 referee​ calls, with the result that 418 of the calls were overturned. women challenged 777 referee​ calls, and 228 of the calls were overturned. use a 0.05significance level to test the claim that men and women have equal success in challenging calls.

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