Quantitative Analyst Interview Questions

10,159 quantitative analyst interview questions shared by candidates

There are 3 boxes. Each box includes 2 balls. The first one includes 2 black ball, the second one includes one black and one white and the last one includes 2 white balls. Pick 2 balls from one box. The first one is white. Then, what's the probability that the second one is also be a white?
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Quantitative Analyst

Interviewed at Citi

3.6
Mar 10, 2016

There are 3 boxes. Each box includes 2 balls. The first one includes 2 black ball, the second one includes one black and one white and the last one includes 2 white balls. Pick 2 balls from one box. The first one is white. Then, what's the probability that the second one is also be a white?

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