A class contains 9 boys and 3 girls. (a) In how many ways can the teacher choose a committee of 4? (b) How many of them will contain atleast one girl? (c) How many of them will contain exactly one girl?
A class contains 9 boys and 3 girls. (a) In how many ways can the teacher choose a committee of 4? (b) How many of them will contain atleast one girl? (c) How many of them will contain exactly one girl?
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter14: Counting And Probability
Section14.CT: Chapter Test
Problem 2CT: A hospital cafeteria offers a fixed-price lunch consisting of a main course, a dessert, and a drink....
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