Mathematics, 03.12.2021 19:40, ladnerhailey16

A sociologist is interested in the age at which a mother has her first child. A random sample of 20 recent births yielded an average maternal age to be 30 years with a standard deviation of 6.2 years. Construct a 99% confidence interval for the mean age at which a mother has her first child.

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A sociologist is interested in the age at which a mother has her first child. A random sample of 20...