🚀 FREE Guide • 2025 Quant Firm Tier List →
î •

Citadel

Interview Question

Quantitative Researcher Interview
Citadel

What is the expected number of coin flips required to see 2 heads in a series of fair coin tosses?

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!
Oops! Something went wrong while submitting the form.