teniellegarraud teniellegarraud
  • 19-01-2024
  • Mathematics
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A race director is preparing for an upcoming marathon and estimates that the mean time to finish is 308 minutes. Assume that the times are normally distributed, with a standard deviation of 54 minutes. find the percentage of times that are shorter than 281 minutes. For your intermediate computations, use four or more decimal places.

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