If P(X)=0.9P(X) = 0.9P(X)=0.9 and P(Y∣X)=0.8P(Y|X) = 0.8P(Y∣X)=0.8, calculate the intersection probability P(X∩Y)P(X \cap Y)P(X∩Y).
0.17
0.72
0.89
0.77