In a large metropolitan area ,the probabilities are 0.87,0.36,0.30 that a family (randomly chosen for a sample survey) owns a colour television set,a black and white television set,or both kinds of sets.What is the probability that a family owns either anyone or both kinds of sets?

Question

$\begin{array}{1 1}(A)\;0.73\\(B)\;0.93\\(C)\;0.63\\(D)\;0.43\end{array}$