Multiple Choice
A simple random sample of 45 elements has been selected from a population of size 800. The sample mean is 500, and the sample standard deviation is 60. An approximate 95% confidence interval for the population mean is
A) 482.6 to 517.4
B) 440.0 to 560.0
C) 500.0 to 560.0
D) 440.0 to 500.0
Correct Answer:
Verified
Correct Answer:
Verified
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