Question:The rates of on-time flights for commercial jets are
continuously tracked by the U.S. Department of...
Question
The rates of on-time flights for commercial jets are
continuously tracked by the U.S. Department of...
The rates of on-time flights for commercial jets are
continuously tracked by the U.S. Department of Transportation.
Recently, Southwest Air had the best rate with 80 % of its flights
arriving on time. A test is conducted by randomly selecting 17
Southwest flights and observing whether they arrive on time.
(a) Find the probability that at least 15 flights arrive
late.
(b) Would it be unusual for Southwest to have 3 flights arrive
late?