Multiple Choice
A study of 60 professors showed that the time they spent on the average in creating test questions was 17.0 minutes per question. The standard deviation of the population is 2. Which of the following is the 98% confidence interval for the average number of minutes it takes to create a test question?
A) (15.99, 18.01)
B) (16.58, 17.42)
C) (16.40, 17.60)
D) (12.35, 21.65)
Correct Answer:
Verified
Correct Answer:
Verified
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