Question: Suppose x has a distribution with m = 72 and s 8. (a) If random samples of size n 5 16 are selected, can

Suppose x has a distribution with m = 72 and s – 8.

(a) If random samples of size n 5 16 are selected, can we say anything about the x distribution of sample means?

(b) If the original x distribution is normal, can we say anything about the x distribution of random samples of size 16? Find P(68 ≤ x̅ ≤ 73).

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