Question
An urm contains 60 marbles: 30 are white, 18 are red, and 12 are blue. Two marbles are removed, at random, from the urn. The first marble is not retumed to the urn after it has been removed. What is the probability that both marbles are blue?
Step 1
There are 12 blue marbles out of a total of 60, so the probability is 12/60 or 1/5. Show more…
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