komaljeetbrar29
komaljeetbrar29 komaljeetbrar29
  • 20-12-2022
  • Mathematics
contestada

A population is normally distributed with a mean of 50 and a standard deviation of 10. For a random sample of size 64 taken from the population, what is the probability that the sample mean will be

(a) more than 48

(b) between 48 and 53

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