SOLUTION: A piggy bank contains 5 dimes, 6 nickels and 9 quarters. If you draw out two coins, what is the probability of drawing a dime and a nickel if the coin is not replaced? A probabilit
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Question 970696: A piggy bank contains 5 dimes, 6 nickels and 9 quarters. If you draw out two coins, what is the probability of drawing a dime and a nickel if the coin is not replaced? A probability question. My answe was 3/40 is that correct. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! A piggy bank contains 5 dimes, 6 nickels and 9 quarters. If you draw out two coins, what is the probability of drawing a dime and a nickel if the coin is not replaced?
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# of dime/nickel pairs:: 5*6 = 30
# of random pairs:: 20C2 = 19*10 = 190
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P(draw dime/nickel pair) = 30/190 = 3/19
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Cheers,
Stan H.
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