I. Determine if solving the problem needs permutation or combination. Then, show the working equation. 7. There are four balls of different colors. Two balls are taken at a time. In how many ways can you do it? 8. A certain company will hire 7 men and 4 women. In how many ways can the company choose from 9 men and 6 women who qualified for the position? 9. In how many ways can you form a four-letter word that can have repeating consonant but not vowel?
I. Determine if solving the problem needs permutation or combination. Then, show the working equation. 7. There are four balls of different colors. Two balls are taken at a time. In how many ways can you do it? 8. A certain company will hire 7 men and 4 women. In how many ways can the company choose from 9 men and 6 women who qualified for the position? 9. In how many ways can you form a four-letter word that can have repeating consonant but not vowel?
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
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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I. Determine if solving the problem needs permutation or combination.
Then, show the working equation.
7. There are four balls of different colors. Two balls are taken at a time. In how
many ways can you do it?
8. A certain company will hire 7 men and 4 women. In how many ways can the
company choose from 9 men and 6 women who qualified for the position?
9. In how many ways can you form a four-letter word that can have repeating
consonant but not vowel?
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