A group consists of 5 Democrats and 8 Republicans. 7 people are selected to attend a conference. a. In how many ways can 7 people be selected from this group of 13? b. In how many ways can 7 Republicans be selected from the 8 Republicans? c. Find the probability that the selected group will consist of all Republicans.
A group consists of 5 Democrats and 8 Republicans. 7 people are selected to attend a conference. a. In how many ways can 7 people be selected from this group of 13? b. In how many ways can 7 Republicans be selected from the 8 Republicans? c. Find the probability that the selected group will consist of all Republicans.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.6: Permutations
Problem 31E
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A group consists of 5 Democrats and 8 Republicans. 7 people are selected to attend a conference.
a. In how many ways can 7 people be selected from this group of 13?
b. In how many ways can 7 Republicans be selected from the 8 Republicans?
c. Find the probability that the selected group will consist of all Republicans.
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