A normal distribution has a mean of = 58 and a standard deviation of = 12. What
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A normal distribution has a mean of = 58 and a standard deviation of = 12.
What is the probability of randomly selecting a score less than X = 52?
P(X < 52) =
What is the probability of selecting a random sample of n = 9 scores with a mean less than M = 52?
P(M < 52) =
What is the probability of selecting a random sample of n = 16 scores with a mean less than M = 52?
P(M < 52) =
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