What is the mean of variable X, given the probabilty distribution above?
3
3.2
3.4
3.5
3.6
Mean=Sum(X.P(X=x))=(1*0.1)+(2*0.2)+(3*0.1)+(4*0.3)+(5*0.2)+(6*0.1)
=0.1+0.4+0.3+1.2+1+0.6=3.6