SOLUTION: Help - "to win a prize, a person must select 5 numbers from 11 numbers. Find the probability of winning if a person buys one ticket. (Note: the numbers can be selected in any ord

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Question 936330: Help - "to win a prize, a person must select 5 numbers from 11 numbers. Find the probability of winning if a person buys one ticket. (Note: the numbers can be selected in any order. Round to four decimal places if necessary.)
I tried 11 C 5/11-5! did not get one of the choices!
Choices are a) .0001 b) .4545 c) .0061 d) .0182
Thanks!
K. Chomat
teacherkmc@gmail.com

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Help - "to win a prize, a person must select 5 numbers from 11 numbers. Find the probability of winning if a person buys one ticket. (Note: the numbers can be selected in any order. Round to four decimal places if necessary.)
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# of ways to succeed:: 1
# of possible sets of 5 numbers from 11:: 11C5 = 462
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Ans: 1/[11C5] = 1/462 = 0.0022
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Cheers,
Stan H.
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Choices are a) .0001 b) .4545 c) .0061 d) .0182