A group of 49 randomly selected students has a mean age of 22.4 years. Assume the population standard deviation is 3.8. Construct a 98% confidence interval for the population mean.
A)(21.1, 23.7)
B)(20.3, 24.5)
C)(19.8, 25.1)
D)(18.8, 26.3)

Name: A group of 49 randomly selected students has a mean age of 22.4 years. Assume the population standard deviation is 3.8. Construct a 98% confidence interval for the population mean. A)(21.1, 23.7) B)(20.3, 24.5) C)(19.8, 25.1) D)(18.8, 26.3)
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The Answer is A

A Group of 49 Randomly Selected Students Has a Mean