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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- What is expected value, and how do you use it to judge a game or decision?
Expected value is the probability-weighted average of all outcomes, the long-run average result of repeating a situation many times. A negative expected value means you lose on average, even if you sometimes win.
BeginnerQuick answer1 min read