Mathematics, 08.03.2021 22:40 benchang531
A bag has 1 red pen, 4 white pens, 5 blue pens, and 5 yellow pens. You randomly pull a pen out from the bag, put it back, and then pull out another one. What is the probability of getting a white then a blue pen?
Answers: 1
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A bag has 1 red pen, 4 white pens, 5 blue pens, and 5 yellow pens. You randomly pull a pen out from...
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