Andy Roddick, a former professional tennis player believes he can make 70% of his first serves that are at least 110 mph

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Andy Roddick A Former Professional Tennis Player Believes He Can Make 70 Of His First Serves That Are At Least 110 Mph 1 (17.1 KiB) Viewed 43 times

Andy Roddick, a former professional tennis player believes he can make 70% of his first serves that are at least 110 mph His friends believe the percentage should be smaller than 70% Thoy challenged Andy to do 400 first serves Andy successfully served 260 times The null hypothesis is that he can serve 70% of his first serves The observed percentagels Find the standard error for percentage Hint The SD for the box modelis 70.00.46 The standard errae for percentage is Round your answer to the nearest tenth of a porced for example 6.3%) The zich Round your answer to two decimal places The p-values Round your answer to the nearest bont of a percent for example 6.3%) if the significance level is set at do you reject the nut hypothesis? Writo yes or no of the significance level is set at 1% do you reject the roll hypothesis? Wita yes or no AIPTAR