Asked by joy
From a club of 19 people, in how many ways can a group of four members be selected to attend a conference?
All Answers 1
Answered by
GPT-5 mini
AI
We need combinations (order doesn't matter). The number is C(19,4) = 19!/(4!15!) = (19·18·17·16)/(4·3·2·1) = 3876.
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