Interview Q&A / Data Science
Data Science interview questions
Statistics, pandas, cleaning data and exploratory analysis for analyst and data science roles.
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- How do you find the probability of at least one success?
Use the complement rule: P(at least one) = 1 - P(none). Computing the chance of nothing happening is much easier than adding up every way that something happens.
BeginnerQuick answer1 min read - What is the difference between independent and mutually exclusive events?
Independent events do not affect each other: P(A and B) = P(A) x P(B). Mutually exclusive events cannot happen together: P(A and B) = 0. Two events with non-zero probability cannot be both.
BeginnerQuick answer1 min read