from a total of 15 people, 3 committees of 3, 4, and 5 people respectively are to be chosen. how many such sets of committees are possible if no person may serve on more than one committee?

• if we have any specific order than we apply permutations else we apply combinations so in this case we have no specific order so we will apply combinations
  
  =15C3+15C4+15C5
  =455+1365+3003
  =4823
• 7 years agoHelpfull: Yes(0) No(0)