Data Science, Probability, Statistics, Interview, Data Analytics.
“You randomly draw a coin from 100 coins — 1 unfair coin (head-head), 99 fair coins (head-tail) and roll it 10 times. If the result is 10 heads, what’s the probability that the coin is unfair?” To answer this question, we need to define an event: A = The coin is unfair A’ = The coin is fair B = The