Trader Assistant Interview Questions

578 trader assistant interview questions shared by candidates

One about flipping coins. Can't remember the exact question but it was something like coin A has 0.6 probability of being heads, Coin B has a 0.3 probability of being heads and Coin C has a 0.1 probability of heads. Given that a coin is flipped and lands on heads, what is the probability that when it is flipped again it will also be heads.
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Assistant Trader

Interviewed at Jane Street

4.4
Jul 15, 2015

One about flipping coins. Can't remember the exact question but it was something like coin A has 0.6 probability of being heads, Coin B has a 0.3 probability of being heads and Coin C has a 0.1 probability of heads. Given that a coin is flipped and lands on heads, what is the probability that when it is flipped again it will also be heads.

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