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The mean finish time for a yearly amateur auto race was 187 05 minutes with a standard deviation of 0 346 minute. The winning

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Answer #1

Roger z score =(X-mean)/standard deviation =(186.18-187.05)/0.346 =-2.51

Kate z score =(X-mean)/standard deviation =(111.89-112.1)/0.141 = -1.49

option B is correct

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