Question: n is 25 Given a normal distribution with u = 75 and o = 40, if you select a sample of n = 25, =

n is 25 Given a normal distribution with u = 75

n is 25 Given a normal distribution with u = 75 and o = 40, if you select a sample of n = 25, = = a) what is the probability that the sample mean is above 95? (4 d.p.) b) What is the value, of which there is 97.5% chance that a sample mean is less than that value? (1 d.p.)

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