What the review sample picks up

What the review sample picks up

Swiggy Probability Interview Question

Ten orders failed last night: six were payment failures and four were delivery failures. A QA process picks four of those ten at random to review by hand. What is the probability that exactly two of the four reviewed are delivery failures?

Asked of

  • Data Scientist
  • Data Analyst
  • Product Analyst
  • Business Analyst

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