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A bag contains 5 gray tiles and 2 blue tiles. Jenny reached into the bag and picked a tile randomly, and then without replacing it, picked a second tile. If you know that she picked a blue tile with her first pick, what is the probability that she picked a gray tile with her second pick?

A)1/6

B)1/7

C)5/6

D)5/7

 Mar 25, 2019
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The answer is (B) 1/7.

 Dec 1, 2019

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