Find probability that bar takes a value between a range

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Suppose that in fact the blood cholesterol level of all men aged 20 to 34 follows the normal distribution with mean of 188 milligrams per decileter and standard deviation of 41 mg/dl. in an srs of 100 men what is the probability that x bar takes a value between 185 and 191 mg/dl?

Reference no: EM13119505

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