Question about mean value

Reference no: EM13102211

A normal distributed population has a mean of 250 pounds and a standard deviation of 10 pounds. Given n = 20, what is the probability that this sample will have a mean value between 245 and 255 pounds?

A) 0.9750

B) 0.4875

C) 0.3830

D) 0.0876

Reference no: EM13102211

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