7. The probability distribution of a random variable X is given below. x k  0 1 2 3 4 P X k    0.1 0.4 0.3 0.2 0 The variance of X is 1)1.6 2) 0.24 3) 0.84 4) 0.75

revanth matte

8 Years agoGrade 12th pass