livmpeterson3961 livmpeterson3961
  • 23-06-2017
  • Mathematics
contestada

15 guests are in attendance and 4 of them are randomly selected to receive a door prize. if all 4 prizes are identical, in how many ways can the prizes be awarded?

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Tharindu
Tharindu Tharindu
  • 23-06-2017
(15-4)! is the answer
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