A tram company runs two tram routes from station ?P to station ?Q. The first route is a direct tram, the green line. The second route involves changing trams at an intermediate station: passengers take the blue line from station ?P to station ?R and then the yellow line from station ?R to station ?Q. The events of the three tram lines running are mutually independent and each tram line runs with probability 1/21/2. Which of the following gives the probability that a person can travel from station ?P to station ?Q?

A tram company runs two tram routes from station ?P to station ?Q. The first route is a direct tram, the green line. The second route involves changing trams at an intermediate station: passengers take the blue line from station ?P to station ?R and then the yellow line from station ?R to station ?Q. The events of the three tram lines running are mutually independent and each tram line runs with probability 1/21/2. Which of the following gives the probability that a person can travel from station ?P to station ?Q?

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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A tram company runs two tram routes from station P to station Q. The first route is a direct tram, the green line. The second route involves
changing trams at an intermediate station: passengers take the blue line from station P to station R and then the yellow line from station R
to station Q. The events of the three tram lines running are mutually independent and each tram line runs with probability 1/2. Which of
the following gives the probability that a person can travel from station P to station Q?
Select one:
a. 7/8
b. 1/8
C. 5/8
O d. 3/4
O e.
None of the other choices

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