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Mathematics, 08.06.2020 09:57, trinati6965
A box contains 4 black pens and 2 red pens. One pen is chosen at random, and then another pen is chosen at random without replacement. What is the probability a black pen was chosen, and then another black pen? *
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Mathematics, 22.06.2019 03:00, kloekamakeeaina14
If the average of x, y and z is 15 what is their sum
Answers: 1
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A box contains 4 black pens and 2 red pens. One pen is chosen at random, and then another pen is cho...
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