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.