Citadel Securities

Interview Question

Fundamental Analyst Intern Interview
Citadel Securities

If you flip 8 fair coins, what is the probability that more than 4 of them are heads?

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!