A bag contains the following chips: 5 blue, 11 pink, 9 white. You take a chip out of the bag without looking, replace it, then choose another chip. What is the probability that you choose blue two times?
5/25 x 5/25 = 25/625 or 1/5 x 1/5 = 1/25
A bag contains the following chips: 5 blue, 11 pink, 9 white. You take a chip out of the bag without looking, replace it, then choose another chip. What is the probability that you choose pink then white?
11/25 x 9/25 = 99/625
A bag contains the following chips: 5 blue, 11 pink, 9 white. You take a chip out of the bag without looking, DO NOT replace it, then choose another chip. What is the probability that you choose blue two times?
5/25 x 4/24 = 20/600 or 1/5 x 1/6 = 1/30
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