To get to the university campus you must take two buses. The first bus runs with probability 11/36 . The second bus runs with probability 3/4. Moreover, the kind people at Transport for London always ensure that at least one of the buses is running. Given that the second bus is running, what is the probability that the first bus is not.

Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter14: Counting And Probability
Section14.CT: Chapter Test
Problem 13CT: 13. In a group of four students, what is the probability that at least two have the same...
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a) To get to the university campus you must take two buses. The first bus runs with probability 11/36 . The second bus runs with probability 3/4. Moreover, the kind people at Transport for London always ensure that at least one of the buses is running. Given that the second bus is running, what is the probability that the first bus is not. 

 

 

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