Multiple Choice
THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
The number of beverage cans produced each hour from a vending machine is normally distributed with a standard deviation of 8.6.For a random sample of 12 hours,the average number of beverage cans produced was 326.0.Assume a 99% confidence interval for the population mean number of beverage cans produced per hour.
-Calculate the width of the 99% confidence interval estimate.
A) 12.81
B) 3.21
C) 6.41
D) 7.20
Correct Answer:
Verified
Correct Answer:
Verified
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