Question 1108842
events of E={2,4,6}  =>p(E)=3/6=1/2
events of F={4,5,6}  =>p(F)=3/6=1/2
common events of E and F ={4,6}  =>p(c)=2/6=1/3
P(E U F)=(1/2)+(1/2)-(1/3)
        =2/3