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I need help with this question At birth, babies average 7. Pounds, with a standard deviation of 2.1pounds The distribution of birthweights is Normal What

I need help with this question

At birth, babies average 7. Pounds, with a standard deviation of 2.1pounds The distribution of birthweights is Normal

What is the sampling distribution for the mean weight of a random sample of 34babies? Check all necessary conditions

what's the probability that the total weight of 10 babies is more than 90 pounds?(Answer the z-score only)

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