SOLUTION: A BAG CONTAIN 3 RED, 2 GREEN, 5 BLUE, AND 2 YELLOW BALLS. FIND THE PROBABILITY THAT BALLS OF ALL THE COLORS ARE REPRESENTED IF A SAMPLE OF FOUR BALLS IS SELECTED AT RANDOM?

Question 838634: A BAG CONTAIN 3 RED, 2 GREEN, 5 BLUE, AND 2 YELLOW BALLS. FIND THE PROBABILITY THAT BALLS OF ALL THE COLORS ARE REPRESENTED IF A SAMPLE OF FOUR BALLS IS SELECTED AT RANDOM?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A BAG CONTAIN 3 RED, 2 GREEN, 5 BLUE, AND 2 YELLOW BALLS. FIND THE PROBABILITY THAT BALLS OF ALL THE COLORS ARE REPRESENTED IF A SAMPLE OF FOUR BALLS IS SELECTED AT RANDOM?
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# of ways to succeed: 3*2*5*2 = 60
# of quadruples:: 12C4 = 495
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P(all colors) = 60/495 = 0.1212
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Cheers,
Stan H.
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