Assume that there are 7 cars: 3 Chevrolets, 3 Fords, and 1 Toyota. Two cars leave at random, one after the other. Draw a tree diagram and use it to answer the following questions.
(1) What is the probability that the Toyota leaves first?

(2) What is the probability that the two cars which leave are Chevrolets?

(3) What is the probability that the Toyota is the second car to leave?

(4) What is the probability that the Toyota is the second car to leave given that one of the two cars is the Toyota?

(5) What is the probability that a Ford is the last to leave given that the Toyota leaves first?

Question

Assume that there are 7 cars: 3 Chevrolets, 3 Fords, and 1 Toyota. Two cars leave at random, one after the other. Draw a tree diagram and use it to answer the following questions.
(1) What is the probability that the Toyota leaves first?

(2) What is the probability that the two cars which leave are Chevrolets?

(3) What is the probability that the Toyota is the second car to leave?

(4) What is the probability that the Toyota is the second car to leave given that one of the two cars is the Toyota?

(5) What is the probability that a Ford is the last to leave given that  the Toyota leaves first?

anonymous · Answer

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