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Suppose x has a distribution with μ = 50 and σ = 16. (a) If random...

Suppose x has a distribution with μ = 50 and σ = 16.

(a) If random samples of size n = 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(46 ≤ x ≤ 51). (Round your answer to four decimal places.)

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