Let x assumes the value 0,1,2 and 3 with respective probabilities 0.51 , 0.38 , 0.10 and 0.01 the variance of distribution is ?
Let x assumes the value 0,1,2 and 3 with respective probabilities 0.51 , 0.38 , 0.10 and 0.01 the mean of distribution is ?