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Mathematics, 19.07.2019 22:30 priscillavaladez1112
The hawk-eye electronic system is used in tennis for displaying an instant replay that shows whether a ball is in bounds or out of bounds, so players can challenge calls made by referees. in a recent us open, singles players made 611 challenges and 172 of them were successful with the call overturned. use a 0.01 significance level to test the claim that fewer than 1/3 of the challenges are successful.
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