Question 326907
if A and B are independent then P(A and B) = P(A)*P(B) = 0.1*0.6=0.06
also P(A or B) = P(A)+P(B)-P(A and B)= P(A)+P(B)-P(A)*P(B)
               = 0.1 +0.6-0.1*0.6=0.7-0.06=0.64