A class contains 9 men and 3 women. Find the number of ways a teacher can select a committee of 4 from the class where there is: (a) no restrictions; (b) 2 men and 2 women; (c) exactly one woman; (d) at least one woman.

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A class contains 9 men and 3 women. Find the number of ways a teacher can select a
committee of 4 from the class where there is:
(a) no restrictions;
(b) 2 men and 2 women;
(c) exactly one woman;
(d) at least one woman.

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