# Sampling distribution of sample mean

A. The amount of annual snowfall in a certain mountain range is normally distributed with a mean of 109 inches, and a standard deviation of 10 inches. If 40 snowfall amounts are randomly selected, find x-bar for the sampling distribution of sample means with samples of size 40.

B.

The amount of annual snowfall in a certain mountain range is normally distributed with a mean of 109 inches, and a standard deviation of 10 inches. If 40 snowfall amounts are randomly selected, find x-bar for the sampling distribution of sample means with samples of size 40.

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Statistics question..---need help, can't seem to get these two straight

A. The amount of annual snowfall in a certain mountain range is normally distributed with a mean of 109 inches, and a standard deviation of 10 x-barinches. ...

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This solution gives the step by step method for computing sampling distribution of sample mean