Onemain financial Statistics & Math Interview Questions
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OneMain Financial
Medium
Data ScientistExplain Type I and Type II Errors in Hypothesis Testing
Statistics Fundamentals: Type I vs Type II Errors and A/B Test Trade-offs Task You are discussing hypothesis testing in the context of a past modeling...
Statistics & Math
11
0
Jul 12, 2025
OneMain Financial
Medium
Data ScientistDifferentiate and control Type I/II errors
A/B Test Powering and Error Control (Two-Proportion Z-Test) Context: You are planning a two-arm A/B test on sign-up conversion. The current baseline c...
Statistics & Math
0
0
Oct 13, 2025
OneMain Financial
Medium
Data ScientistMaximize Probability of Drawing Two Red Balls
Optimize Two-Basket Allocation for Red-Red Draws Setup You have 100 red balls and 100 blue balls to distribute between two baskets, A and B. Then you ...
Statistics & Math
0
0
Aug 4, 2025