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Of the travelers arriving at a small airport, 60% fly on
Chapter 2, Problem 135E(choose chapter or problem)
Of the travelers arriving at a small airport, 60% fly on major airlines, 30% fly on privately owned planes, and the remainder fly on commercially owned planes not belonging to a major airline. Of those traveling on major airlines, 50% are traveling for business reasons, whereas 60% of those arriving on private planes and 90% of those arriving on other commercially owned planes are traveling for business reasons. Suppose that we randomly select one person arriving at this airport. What is the probability that the person
a is traveling on business?
b is traveling for business on a privately owned plane?
c arrived on a privately owned plane, given that the person is traveling for business reasons?
d is traveling on business, given that the person is flying on a commercially owned plane?
Questions & Answers
QUESTION:
Of the travelers arriving at a small airport, 60% fly on major airlines, 30% fly on privately owned planes, and the remainder fly on commercially owned planes not belonging to a major airline. Of those traveling on major airlines, 50% are traveling for business reasons, whereas 60% of those arriving on private planes and 90% of those arriving on other commercially owned planes are traveling for business reasons. Suppose that we randomly select one person arriving at this airport. What is the probability that the person
a is traveling on business?
b is traveling for business on a privately owned plane?
c arrived on a privately owned plane, given that the person is traveling for business reasons?
d is traveling on business, given that the person is flying on a commercially owned plane?
ANSWER:Step 1 of 5
Let us consider the event “B” be the travelling on business.
Let event “M” be the fly major airline.
Let event “C” be the fly other commercial airline(not major).
Let event “R” privately owned plane.
Then the probabilities are given below:
P(M) = 0.60
P(R) = 0.30
P(C) = 0.10
P(B|M) = 0.50
P(B|R) = 0.60
P(B|C) = 0.90
Here our goal is:
a). We need to find the probability that person is traveling on business.
b). We need to find the probability that person is traveling for business on a privately owned plane.
c). We need to find the probability that person arrived on a privately owned plane, given that the person is traveling for business reasons.
d). We need to find the probability that person is traveling on business, given that the person is flying on a commercially owned plane.
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