The Ages of MBA Students at a University Are Normally

question 38

Multiple Choice

The ages of MBA students at a university are normally distributed with a known population variance of 10.24.Suppose you are asked to construct a 95% confidence interval for the population mean age if the mean of a sample of 36 students is 26.5 years.What is the margin of error for a 95% confidence interval for the population mean?

• A) 1.645(3.20/6)
• B) 1.645(10.24/6)
• C) 1.96(3.20/6)
• D) 1.96(10.24/6)

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