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    Sampling distribution of sample mean

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    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-barinches. ...

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

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