Question: A sample of size 20 will be drawn from a population with mean 6 and standard deviation 3. a. Is it appropriate to use the

A sample of size 20 will be drawn from a population with mean 6 and standard deviation 3.

a. Is it appropriate to use the normal distribution to find probabilities for x̄?

b. If appropriate find the probability that ̄x will be greater than 4.

c. If appropriate find the 30th percentile of x̄.

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