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What is the probability that sample mean

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Reference no: EM132522655

A population has a normal distribution with a mean of 50 and a standard deviation of 10. If a random sample of size 9 is taken from the population, then what is the probability that this sample mean will be between 48 and 54.

A. 0.060

B. 0.228.

C. 0.385.

D. 0.611

Reference no: EM132522655

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