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Suppose that, in fact, the total cholesterol level of all men aged 20-34 follows the Normal distribution with mean µ = 182 milligrams per deciliter (mg/dL) and standard deviation σ = 37 mg/dL.

Do choose an SRS of 1000 men from this population. Now what is the probability that the sample mean (x) falls within ±2 mg/dL of µ?

Suppose that in fact the total cholesterol level of all men aged 2034 follows the Normal distribution with mean µ 182 milligrams per deciliter mgdL and standard class=


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