In how many ways can a committee of 3 people be selected from 6 people?
A15
B18
C20
D24
Explanation
Combination 6C3 = 6! / (3! * 3!) = (6 * 5 * 4) / (3 * 2 * 1) = 20.
Exam Relevance
- Topic: Sequences, Probability & Statistics
- Subtopic: Combinations
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