Jack and Alex are good friends. When Jack goes to a party, he calls Alex, and Alex goes with him to the party 95% of the time. When Jack does not go to a party, Alex does not go to that party 60% of the time. Jack is thinking of going to Emilee's birthday party this weekend. The probability that he will go to it is 0.7. a) What is the probability that both Jack and Alex go to the party? b) What is the probability that only one of them will go to the party?
Jack and Alex are good friends. When Jack goes to a party, he calls Alex, and Alex goes with him to the party 95% of the time. When Jack does not go to a party, Alex does not go to that party 60% of the time. Jack is thinking of going to Emilee's birthday party this weekend. The probability that he will go to it is 0.7. a) What is the probability that both Jack and Alex go to the party? b) What is the probability that only one of them will go to the party?
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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