Multiple Choice
Construct a 99% confidence interval for the population mean, μ. Assume the population has a normaldistribution. A group of 19 randomly selected employees has a mean age of 22.4 years with a standarddeviation of 3.8 years. Round to the nearest tenth.
A) (19.9, 24.9)
B) (16.3, 26.9)
C) (17.2, 23.6)
D) (18.7, 24.1)
Correct Answer:

Verified
Correct Answer:
Verified
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