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Suppose a random sample of 36 is selected from a population with a standard deviation of 12. If the sample mean is 98, the 99% confidence interval...

3. Suppose a random sample of 36 is selected from a population with a standard deviation of 12. If the sample mean is 98, the 99% confidence interval to estimate the population mean is _______.
A. 93.34 to 102.66
B. 94.08 to 101.92
C. 97.35 to 98.65
D. 92.85 to 103.15

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