Concept explainers
In Exercises 6.165–6.172, apply Procedure 6.3 on page 299 to approximate the required binomial probabilities.
6.169 Airline Reservations. As reported by a spokesperson for Southwest Airlines, the no-show rate for reservations is 16%. In other words, the
- a. exactly 5 do not take the flight?
- b. between 9 and 12, inclusive, do not take the flight?
- c. at least 1 does not take the flight?
- d. at most 2 do not take the flight?
- e. Comment on the accuracy of the normal approximation in this case.
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Introductory Statistics (10th Edition)
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