
The question is in the second photo needing work by hand. Instructions in first photo. Xi,..,....
Please read the English parts as the Chinese parts are just a
translation. I faced a difficulty from Question (c)
Question 1 Let X denote the total number of "heads” when 2 coins are tossed. Assume the probability of getting "head" is 0.4 on either coin. text& RETT **. Wit-R FREE*20.4. a) Derive the probability distribution of X? it u s b) Calculate the mean and variance of X, denoted as x, o3.it SCXW R . c) Given the result...