## Bank of America Interview Question

### You have a coin that lands on heads 51% on the time. You have to flip it 100 times and you have $100. What would you do to maximize your return if you win when it lands on heads?

Sales and Trading Analyst: Round 1

asked to 5 spies

### 2 answers

1

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Answer to Coin Flipping Example

10% on each flip of the coin turns $100 into $4,700 after 100 flips

25% on each flip of the coin turns $100 into $36,100 after 100 flips

40% on each flip of the coin turns $100 into $4,700 after 100 flips

51% on each flip of the coin turns $100 into -$31 after 100 flips!

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25% on each flip

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