
A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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Transcribed Image Text:We are given a table with data of 67 members of the US Senate in June 2012 and their affiliated political party and when they are up for reelection.
Up for re-election:
Democratic Party
20
10
Other
0
November 2014
November 2016
0
Republican Party
13
24
1. What is the probability that a randomly selected senator is up for reelection in November 2016?
2. What is the probability that a randomly selected senator a Republican or is up for reelection in November 2014?
3. Suppose that a member of the US Senate is randomly selected. What is the probability that the senator is up for reelection in November 2014, knowing
that this senator is a Republican?
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