Statistics, Probability Distributions, Machine Learning.
probability distribution must satisfy the following two conditions : 0≤ p(x) ≤ 1, for all values of x. 2. ∑ p(x) = 1 In our example, ∑ p(x) = 0.125+0.375 +0.375+ 0.125 = 1 The expected value, variance, and standard deviation of discrete probability distribution : The expected value or expectation