SOLUTION: a box contains 12 quarters and 12 dimes. when the box is turned upside down, two coins fall out at once. the size of the coin has no effect on its probability of falling out of the

Question 416849: a box contains 12 quarters and 12 dimes. when the box is turned upside down, two coins fall out at once. the size of the coin has no effect on its probability of falling out of the box.
1) what is the probability that 2 dimes fall out?
2)what is he probability that one dime and one quarter fall out?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
a box contains 12 quarters and 12 dimes. when the box is turned upside down, two coins fall out at once. the size of the coin has no effect on its probability of falling out of the box.
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1) what is the probability that 2 dimes fall out?
P(dime and dime) = 12C2/24C2
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2)what is he probability that one dime and one quarter fall out?
# of dime Quarter pairs: 12*12 = 144
P(dime and quarter) = 144/24C2
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Cheers,
stan H.

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