# Question

With reference to Exercise 2.72, find the probabilities that a person who visits Disneyland will

(a) Ride the Monorail given that he will go on the Jungle Cruise;

(b) Go on the Matterhorn ride given that he will go on the Jungle Cruise And ride the Monorail;

(c) Not go on the Jungle Cruise given that he will ride the Monorail And/ or go on the Matterhorn ride;

(d) Go on the Matterhorn ride And the Jungle Cruise given that he will not ride the Monorail.

In exercise

Suppose that if a person visits Disneyland, the probability that he will go on the Jungle Cruise is 0.74, the probability that he will ride the Monorail is 0.70, the probability that he will go on the Matterhorn ride is 0.62, the probability that he will go on the Jungle Cruise and ride the Monorail is 0.52, the probability that he will go on the Jungle Cruise as well as the Matterhorn ride is 0.46, the probability that he will ride the Monorail and go on the Matterhorn ride is 0.44, and the probability that he will go on all three of these rides is 0.34. What is the probability that a person visiting Disneyland will go on at least one of these three rides?

(a) Ride the Monorail given that he will go on the Jungle Cruise;

(b) Go on the Matterhorn ride given that he will go on the Jungle Cruise And ride the Monorail;

(c) Not go on the Jungle Cruise given that he will ride the Monorail And/ or go on the Matterhorn ride;

(d) Go on the Matterhorn ride And the Jungle Cruise given that he will not ride the Monorail.

In exercise

Suppose that if a person visits Disneyland, the probability that he will go on the Jungle Cruise is 0.74, the probability that he will ride the Monorail is 0.70, the probability that he will go on the Matterhorn ride is 0.62, the probability that he will go on the Jungle Cruise and ride the Monorail is 0.52, the probability that he will go on the Jungle Cruise as well as the Matterhorn ride is 0.46, the probability that he will ride the Monorail and go on the Matterhorn ride is 0.44, and the probability that he will go on all three of these rides is 0.34. What is the probability that a person visiting Disneyland will go on at least one of these three rides?

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