Multiple Choice
A random sample of 30 airline flights during a storm had an average delay of 40 minutes. The standard deviation was 5 minutes. Calculate a 98% confidence interval for the average delay for all flights during a storm.
A) (37.8, 42.2)
B) (38.2, 41.8)
C) (27.7, 52.3)
D) None of the above
Correct Answer:
Verified
Correct Answer:
Verified
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