Question: General: Suppose that x has a distribution with \[\mu \] = 72 and \[\sigma \] = 8.

a.) If a random samples of size n = 16 are selected, can we say anything about the \[\bar{X}\] distribution of sample means?

(b.) If the original x distribution is normal, can we say anything about the \[\bar{X}\] distribution of random samples of size 16? Find P(68 ≤ \[\bar{X}\] ≤ 73).

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