hailscooper9715 hailscooper9715
  • 18-11-2022
  • Mathematics
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the amount of time it takes on an exam is normally distributed with a mean of 72 minutes and standard deviation 8 minutes. suppose you take a random sample of 64 students from this population. there would be a 99.7% chance that the sample mean amount of time taken on the exam would be between:

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