Posted by CB on Friday, May 21, 2010 at 6:34pm.
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

math  Reiny, Friday, May 21, 2010 at 6:40pm
8choose5 = 56, not 120

math  CB, Friday, May 21, 2010 at 6:53pm
can you tell me how you got that please

math  Reiny, Friday, May 21, 2010 at 7:04pm
Your are choosing 5 from 8 items
This is defined as C(8,5) , called "8choose5" and
calculated at 8!/(5!3!)
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