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July 22, 2014

July 22, 2014

Posted by **Sean** on Friday, July 3, 2009 at 1:12pm.

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

- Statistics -
**SraJMcGin**, Friday, July 3, 2009 at 1:52pmPerhaps something here will help you?

http://www.google.com/search?hl=en&client=firefox-a&rls=org.mozilla:en-US:official&hs=qy7&ei=T0VOSvDIFYnENrLQge4D&sa=X&oi=spell&resnum=0&ct=result&cd=1&q=counting+combinations/permutations&spell=1

Sra

- Statistics -
**Sean**, Friday, July 3, 2009 at 2:17pmI know the fundamental formulas and their derivations really well. This problem demands a more complicated application that I'm struggling with...

- Statistics -
**bobpursley**, Friday, July 3, 2009 at 2:37pmall 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?

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