Linkedin Statistics & Math Interview Questions
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LinkedIn
Hard
Data ScientistMeasure Causal Impact of Self-Selected App Redesign
Measuring Causal Impact of an Opt-in Mobile App Redesign Context A mobile app ships a redesigned UI as a new version. Users can choose to upgrade (opt...
Statistics & Math
51
0
Jul 12, 2025
LinkedIn
Medium
Data ScientistDerive expectation for two consecutive heads
Waiting Time Until First HH (Two Consecutive Heads) Setup Let T be the number of coin flips required until the pattern HH (two consecutive heads) appe...
Statistics & Math
0
0
Oct 13, 2025