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A random variable is normally distributed. It has a mean of 245 and a standard deviation...

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Basic Math

A random variable is normally distributed. It has a mean of 245and a standard deviation of 21.

e.) For a sample of size 35, state the mean of the sample meanand the standard deviation of the sample mean.

f.) For a sample of size 35, find the probability that thesample mean is more than 241.

g.) Compare your answers in part c and f. Why is one smallerthan the other?

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