Optiver–styleTraderQuant Trading InternQuestion #72
Out of 100 fair coin flips, what is the probability that you get at least 10 more heads than tails?
Build Your Approach
State the assumptions, try a simple case, then work toward a general solution. Check the result and explain how it changes if an assumption changes.
Try the free diagnostic with worked solutions →Get Free Interview Prep Resources
More Optiver–Style Trader Questions
Evaluate: (5/16) divided by (12/3).If a fair coin is flipped until the first heads appears, what is the expected number of flips?It is 9-9 in a squash match. If I have a 30% chance to win any given point, what is the probability that I win the game?What is the result of 2/5 + 11/4?What are the first 5 decimal digits in the decimal expansion of 1/13?
Practice the Reasoning Behind the Answer
Bring your target roles and interview timeline to a free quant consult. Discuss your preparation priorities and how Quant Blueprint’s lessons, practice and mock interviews can help.
Book a Free Quant ConsultYour goals · your preparation · your next steps