A random sample of 90 textbooks has a mean price of 100 and


A random sample of 90 textbooks has a mean price of $100 and a standard deviation of $1450. Find a 92% confidence interval for the mean price of the textbooks. Then find a 99% confidence interval and compare your results. Show work.

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Business Economics: A random sample of 90 textbooks has a mean price of 100 and
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