Asked by Sean
A raffle is being conducted with 50 tickets to be sold - one per customer.
There are three prizes to be awarded.
If the four organizers of the raffle each buy one ticket, what is the probability that the four organizers win:
a) all of the prizes?
b) exactly two of the prizes
c) exactly one of the prizes
d) none of the prizes
This is at the end of a chapter on counting combinations/permutations
There are three prizes to be awarded.
If the four organizers of the raffle each buy one ticket, what is the probability that the four organizers win:
a) all of the prizes?
b) exactly two of the prizes
c) exactly one of the prizes
d) none of the prizes
This is at the end of a chapter on counting combinations/permutations
Answers
Answered by
Sean
I know the fundamental formulas and their derivations really well. This problem demands a more complicated application that I'm struggling with...
Answered by
bobpursley
all of the prizes:
4/50*3/49*2/48*1/47
Two of the prizes:
4/50*3/49*46/48*45/47
See the pattern?
4/50*3/49*2/48*1/47
Two of the prizes:
4/50*3/49*46/48*45/47
See the pattern?
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