Asked by Markus

A bag contains 4 blue marbles and 4 red marbles. If three marbles are drawn in a row without replacement, find the probability that the marbles will be the same colour?
Answered by Ms. Sue
Max, Charlotte, Markus -- please use the same name for your posts.
Answered by Reiny
To have the same colour, you need
either BBB or RRR

Find the prob of each case, then add them up
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