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There were 2 questions I tackled. The first was a power function that needed to be implemented in logn time and a Java encapsulation question (asking questions about making arrays inaccessible from outside the object).
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Software Engineer Intern

Interviewed at Wealthfront

4.2
Mar 25, 2014

There were 2 questions I tackled. The first was a power function that needed to be implemented in logn time and a Java encapsulation question (asking questions about making arrays inaccessible from outside the object).

Three coins are in a bag. The first coin flips heads with probability 50%, the second coin flips heads with probability 60%, and the third coin flips heads with probability 70%. I pull out a coin and flip heads. If I flip this coin again, what is the probability I will get heads?
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Intern

Interviewed at Jane Street

4.4
Mar 2, 2016

Three coins are in a bag. The first coin flips heads with probability 50%, the second coin flips heads with probability 60%, and the third coin flips heads with probability 70%. I pull out a coin and flip heads. If I flip this coin again, what is the probability I will get heads?

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