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2nd Round: You have a deck of cards, 26 red, 26 black. These are turned over, and at any point you may stop and exclaim "The next card is red.". If the next card is red you win £10. What's the optimal strategy? Prove this is the optimal strategy.
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Assista

Interviewed at Jane Street

4.4
May 14, 2012

2nd Round: You have a deck of cards, 26 red, 26 black. These are turned over, and at any point you may stop and exclaim "The next card is red.". If the next card is red you win £10. What's the optimal strategy? Prove this is the optimal strategy.

2. In an urn you have red and blue balls (same number of balls in each of the two colors). You extract 3 balls what is the probability that the number of balls you have extracted is odd. Now you extract 10 balls, what is the probability that the number of balls you have extracted is odd?
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Quantitative Analyst

Interviewed at Jane Street

4.4
Feb 1, 2011

2. In an urn you have red and blue balls (same number of balls in each of the two colors). You extract 3 balls what is the probability that the number of balls you have extracted is odd. Now you extract 10 balls, what is the probability that the number of balls you have extracted is odd?

The 'what would you do in the case of brand X in the market Y with this specific issue'. It is the classic question that the recruiter has in mind related to his job. The point is not to get it right but to share the thinking process so the recruiter can see how the person thinks
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Assistant Brand Manager

Interviewed at Procter & Gamble

4.1
Sep 19, 2012

The 'what would you do in the case of brand X in the market Y with this specific issue'. It is the classic question that the recruiter has in mind related to his job. The point is not to get it right but to share the thinking process so the recruiter can see how the person thinks

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