Multiple Choice
We draw a random sample of size 36 from a population with standard deviation 3.5. If the sample mean is 27, what is a 95% confidence interval for the population mean?
A) [25.8567, 28.1433]
B) [26.0405, 27.9595]
C) [26.8100, 27.1900]
D) [26.8401, 27.1599]
Correct Answer:
Verified
Correct Answer:
Verified
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