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Given a normal distribution with = 100 and = 10, if you select a sample of n = 25, what is the probability that X-bar

Given a normal distribution with = 100 and = 10, if you select a sample of n = 25, what is the probability that X-bar is

a)less than 95?

b)between 95 and 97.5?

c)above 102.2?

d)There is a 65% chance that X-bar is above what value?

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