Given a normal distribution with µ=50 and ?=5, if you select a sample of n=100, what is the probabil


Question: Given a normal distribution with µ=50 and σ=5, if you select a sample of n=100, what is the probability that Xbar is:

a) Less than 47?

b) Between 47 and 49.5?

c) Above 51.1?

d) There is a 35% chance that Xbar is above what value?

The book gives these answers to a-Virtually Zero, b-0.1587, c-0.0139, d-50.195

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