Membership selection. A town council has 13 members, 8 Democrats and 5 Republicans.   ​(A) If the president and​ vice-president are selected at​ random, what is the probability that they are both​ Democrats?   ​(B) If a​ 3-person committee is selected at​ random, what is the probability that Republicans make up the​ majority?

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.3: Binomial Probability
Problem 26E
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Membership selection. A town council has 13 members, 8 Democrats and 5 Republicans.
 
​(A)
If the president and​ vice-president are selected at​ random, what is the probability that they are both​ Democrats?
 
​(B)
If a​ 3-person committee is selected at​ random, what is the probability that Republicans make up the​ majority?
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