Tntschaub Tntschaub

18-05-2017
Mathematics

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in a bag of keys there are 14 silver keys, 6 black keys , 10 copper keys and 2 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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McVoRTeX McVoRTeX

18-05-2017

In total there are 32 keys.
There 24 silver and copper keys so the probability of one being drawn is 24/32

Now just simplify
24/32 = 12/16 = 6/8 = 3/4

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