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A population of values has a normal distribution with = 238.2 and = 78. You intend to draw a random sample of size n
A population of values has a normal distribution with = 238.2 and = 78. You intend to draw a random sample of size n = 18. Find the probability that a single randomly selected value is less than 249.2. P(X < 249.2) = Find the probability that a sample of size n = 18 is randomly selected with a mean less than 249.2. P(M
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