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1. How many 5 letter words can be formed from the english alphabet. (the words do not have to be real english words)
2. The number of 7 member committees that can be formed from 20 people.
3. The number of 8 member committees consisting of 5 women and 3 men that can be formed from a group of people consisting of 10 women and 5 men.
4. A coin is flipped 7 times, and then a die is rolled twice. How many outcomes are there?
1 Answer
- alexltanLv 41 decade agoFavorite Answer
1. If the letter can be used any number of times:
26^5 = 11,881,376
2. 20 * 19 * 18 * 17 * 16 * 15 * 14
390,700,800
3. 10 * 9 * 8 * 7 * 6 * 5 * 4 * 3
1,814,400
4. 2^7 * 6^2
4,608
