(a) Find the probability that all 11 of the flights were on time. The probability that all 11 of the flights were on time is. Part 2 of 4 (b) Find the probability that exactly 9 of the flights were on time. The probability that exactly 9 of the flights were on time is]. Part 3 of 4 (c) Find the probability that 9 or more of the flights were on time. The probability that 9 or more of the flights were on time is.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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Your flight has been delayed: At Denver International Airport, 87% of recent
flights have arrived on time. A sample of 11 flights is studied. Round the
probabilities to four decimal places.
Part 1 of 4
(a) Find the probability that all 11 of the flights were on time.
The probability that all 11 of the flights were on time is.
Part 2 of 4
(b) Fin
he probability that exactly 9
flights were on
he.
The probability that exactly 9 of the flights were on time is.
Part 3 of 4
(c) Find the probability that 9 or more of the flights were on time.
The probability that 9 or more of the flights were on time is.
Part 4 of 4
(d) Would it be unusual for 10 or more of the flights to be on time?
It (Choose one) ▼ be unusual for 10 or more of the flights to
be on time since the probability is D.
Transcribed Image Text:Your flight has been delayed: At Denver International Airport, 87% of recent flights have arrived on time. A sample of 11 flights is studied. Round the probabilities to four decimal places. Part 1 of 4 (a) Find the probability that all 11 of the flights were on time. The probability that all 11 of the flights were on time is. Part 2 of 4 (b) Fin he probability that exactly 9 flights were on he. The probability that exactly 9 of the flights were on time is. Part 3 of 4 (c) Find the probability that 9 or more of the flights were on time. The probability that 9 or more of the flights were on time is. Part 4 of 4 (d) Would it be unusual for 10 or more of the flights to be on time? It (Choose one) ▼ be unusual for 10 or more of the flights to be on time since the probability is D.
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