Optimize no-penalty test strategy
Company: Coinbase
Role: Data Scientist
Category: Statistics & Math
Difficulty: medium
Interview Round: HR Screen
Overview: Choose how many of 50 five-option multiple-choice questions to analyze versus blind-guess to maximize expected score within a 900-second limit. Analysis costs 20 seconds and eliminates two wrong options only 60% of the time, so the time budget and per-question odds must be weighed together.