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1.4.2 cant be right if only 1 boy took 19 seconds it means n-1 boys took at least 19 seconds (all of them except one) 19-1 = 18 18/19 *100 =94.74%Or am i reading it wrong.
1.4.2 cant be right if only 1 boy took 19 seconds it means n-1 boys took at least 19 seconds (all of them except one) 19-1 = 18
18/19 *100 =94.74%
Or am i reading it wrong.