Data Science, Data Science Interview, Statistics, Probability, Interview Quesitons.
then the expected value E(X) = n x P(X) = 100 x 0.5 = 50. Let’s suppose we repeat the experiment multiple times. The first time, we get X1= 65 tails, the second, X2 = 50 tails, and so on. In the end, we calculate the mean of all trials by adding up the random variables (X1, X2, …, Xn) and dividing