Question: For a random variable that is normally distributed, with = 80 and = 10, determine the probability that a simple random sample of 25 items

For a random variable that is normally distributed, with = 80 and = 10, determine the probability that a simple random sample of 25 items will have a mean that is a. greater than 78. b. between 79 and 85. c. less than 85.

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