Online Assessment

A Marathon of 17 Probability OA Questions

OptiverData Scientist · Online Assessment · Nov 2025

Pick a random integer from 1 to 10,000. What's the probability that every digit of that number is different? Roll a die until you roll something greater than 4. What's the expected value of the sum of all the rolls? Draw 3 cards from a standard 52-card deck. What's the expected value of the product of the three numbers (J = 11, Q = 12, K = 13)? Toss 100 coins. Pair up an H with a T and remove tha…

Shared by a candidate · reported Nov 2025. Interview formats change; use it as a guide, not a script.