Asked by dasha
A bag contains 10 red and 10 blue chips. Two chips are removed from the bag. Suppose the first is not replaced before the second is chosen, What is the probability of removing two red chips?
Answers
Answered by
mathhelper
Prob(both red, not returned)
= (10/20)(9/19)
= .....
= (10/20)(9/19)
= .....
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