Question: The following random sample was selected from a normal distribution: 4, 6, 3, 5, 9, 3. a. Construct a 90% confidence interval for the population

The following random sample was selected from a normal distribution: 4, 6, 3, 5, 9, 3.

a. Construct a 90% confidence interval for the population mean

b. Construct a 95% confidence interval for the population mean

c. Construct a 99% confidence interval for the population mean

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