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notka56 [123]
3 years ago
14

Problem 2-11 (Algorithmic) Let A be an event that a person's primary method of transportation to and from work is an automobile

and B be an event that a person's primary method of transportation to and from work is a bus. Suppose that in a large city P(A) = 0.48 and P(B) = 0.32. Are events A and B mutually exclusive? Yes What is the probability that a person uses an automobile or a bus in going to and from work? If required, round your answer to two decimal places. Find the probability that a person’s primary method of transportation is some means other than a bus. If required, round your answer to two decimal places. P(Bc) =
Mathematics
1 answer:
dangina [55]3 years ago
7 0

The events are mutually exclusive, because your primary method can't be both a driving a car or taking a bus.

Since they are exclusive, the probability of the "or" clause is the sum of the probabilities:

P(A\lor B)=P(A)+P(B)=0.48+0.32=0.8

Since a person primarily takes a bus with probability 0.32, the opposite happens with probability

1-P(B) = 1-0.32=0.68

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