7.(i)    A and B are two events such that   , 
 and  
 Find  (i)  
                
                  Given, P(A) = 0.54, P(B) = 0.69, P(A  B) = 0.35
(i) We know, P(A   B) = P(A) + P(B) - P(A 
 B)
 P(A  
 B) = 0.54 + 0.69 - 0.35 = 0.88
 P(A  
 B) = 0.88