Multiple Choice
We draw a random sample of size 25 from the normal population with variance 2.4. If the sample mean is 12.5, what is a 99% confidence interval for the population mean?
A) [11.2600, 13.7400]
B) [11.3835, 13.6165]
C) [11.7019, 13.2981]
D) [11.7793, 13.2207]
Correct Answer:
Verified
Correct Answer:
Verified
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