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A routine exercise designed to test one's knowledge; often from a textbook, course, or test used for a class or self-study. This community's policy is to "provide helpful hints" for such questions rather than complete answers.

8 votes
1 answer
612 views

Estimating Failure Rate from Observed Data

I recently read the excellent book Probabilistic Programming & Bayesian Methods for Hackers and I'm trying to solve some problems on my own: I perform an experiment to estimate the reliability of …
mchangun's user avatar
  • 509
3 votes
1 answer
2k views

How to conduct am A/B test for a feature which cannot be accessed by every visitor?

I am prepping for an interview and here is one of the questions I have come across: How would you conduct an A/B test on an opt-in feature? I think you cannot perform a "fair" test with an opt-in op …
mchangun's user avatar
  • 509