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A bag contains 7 red checkers and 11 black checkers. One checker is drawn and replaced. Then a second checker is drawn. What is the probability that a red checker was drawn both times?

14 years ago

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Damon
there are 18 checkers in the bag each time and each time 7 of them are red
first time 7/18
second time 7/18
49/324 or about 0.15
14 years ago
Damon
Note:
This question is really the same as the four aces question you asked below.
14 years ago

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