Multiple Choice
A pharmaceutical company wanted to estimate the population mean of monthly sales for their 250 sales people. Forty sales people were randomly selected. Their mean monthly sales was $10,000 with a population standard deviation of $1000. Construct a 95% confidence interval for the population mean.
A) [9,690.1, 10,309.9]
B) [9,715.5, 10,284.5]
C) [8,040, 11,960]
D) [8,000, 12,000]
Correct Answer:
Verified
Correct Answer:
Verified
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