Multiple Choice
A random sample of 60 business students required an average of 50.7 minutes to complete a statistics exam. Assume that the population standard deviation to complete the exam was 10.4 minutes. The 98% confidence interval around this sample mean is____ .
A) (47.6, 53.8)
B) (45.4, 56.0)
C) (49.8, 51.6)
D) (48.9, 52.5)
Correct Answer:
Verified
Correct Answer:
Verified
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