Sig

Interview Question

Assistant Trader Interview
Sig

You have 17 coins and I have 16 coins. We flip all the coins at the same time. If you have more heads, then you win; if we have the same number of heads or you have fewer, then I win. What is your probability of winning?

Unlock the Full Solution

Enter your email to get instant access to the complete solution, explanation, and similar practice problems.

Insights on 100+ quant firms, understand where to apply, and maximize your chances.

Get the official 2025 QB Quant Firm Tier List

Check your email inbox — you should get the interview in 1-2 minutes!