Question: 7 8 pts A simple random sample from a normal distribution is taken in order to obtain a 95% confidence interval for the population mean.

7 8 pts A simple random sample from a normal distribution is taken in order to obtain a 95% confidence interval for the population mean. If the sample size is 12, the sample mean x (x bar) is 32, and the sample standard deviation s is 7.5, what is the margin of error? Show your answer to 2 decimal places. For full credit: -- State degrees of freedom -- Find margin of error

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