22 The parent-teacher's association committee of a school consisting of 6 members is to be formed from 7 parents, 4 teachers and the principal. In how many ways can the committee be formed so that it includes a. the principal. b. exactly 3 parents. c. not more than 3 parents.

College Algebra
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ISBN:9781938168383
Author:Jay Abramson
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Chapter9: Sequences, Probability And Counting Theory
Section: Chapter Questions
Problem 36RE: In a group of 5 freshman, 10 sophomores, 3 juniors, and 2 seniors, how many ways can a president,...
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22 The parent-teacher's association committee of a school consisting of 6 members is to be formed from
7 parents, 4 teachers and the principal. In how many ways can the committee be formed so that it
includes
a. the principal.
b. exactly 3 parents.
c. not more than 3 parents.
Transcribed Image Text:22 The parent-teacher's association committee of a school consisting of 6 members is to be formed from 7 parents, 4 teachers and the principal. In how many ways can the committee be formed so that it includes a. the principal. b. exactly 3 parents. c. not more than 3 parents.
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