Asked by CB


A caterer offers a choice of five desserts from a list of eight for the dessert bar at the prom. How many different groups of desserts could be served?

please check my answer = 120
Answered by Reiny
8choose5 = 56, not 120
Answered by CB
can you tell me how you got that please
Answered by Reiny
Your are choosing 5 from 8 items

This is defined as C(8,5) , called "8choose5" and
calculated at 8!/(5!3!)