Question

A bag contains 5 red chips and 8 blue chips. Two chips are selected randomly without replacement from the bag. What is the probability that the two chips are of the same color? If needed, round your answer to two decimal places.

Prob(2 red) = (5/13)(4/12) = ..
Prob(2 blue) = (8/13)(7/12) = ...

You want one OR the other, so add them up

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