Thread: Math Question
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Old 12-20-2002, 01:37 PM
happyjaypee happyjaypee is offline
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Join Date: Sep 2002
Location: Quebec, Canada
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Default Re: Math Question

Number of total possible draws:

16 X 15 X 14 X 13 = 43,680


Number of draws containing at least a blue marble:

2 X 15 X 14 X 13 = 5,460


Probability of drawing at least a blue marble:

5,460 X 100 / 43,680 = 12.5%


Probability of drawing four red:

100% - 12.5% = 87.5% or odds of 7:1
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