Question 957839: In a bag of keys, there are 15 silver keys, 5 black keys, 10 copper keys, and 4 painted keys of various colors. One key is drawn out at random. What is the probability that the key that is drawn is silver or copper?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! In a bag of keys, there are 15 silver keys, 5 black keys, 10 copper keys, and 4 painted keys of various colors. One key is drawn out at random. What is the probability that the key that is drawn is silver or copper?
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# of ways to succeed:: 15+10 = 25
# of possible outcomes:: 15+5+10+4 = 34
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P(condition) = 25/34
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Cheers,
Stan H.
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