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Mean Value of Distributed Population

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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

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This solution shows step-by-step calculations to determine the probability that the sample will have a mean value between 245-255 pounds.

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A normal distributed population has a mean ...

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