Question: Intelligence tests are often calibrated to come from a normal distribution with known population standard deviation = 10. Suppose that a sample of n =

Intelligence tests are often calibrated to come from a normal distribution with known population standard deviation = 10. Suppose that a sample of n = 25 individuals are tested and their mean score is x = 106 then a 99% confidence interval for the population mean is A: 102.08, 109.92 B: 101.348, 110.652 C: 98.16, 113.84 D: 100.426, 111.574 E: 100.848111

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