Events XXX and YYY are independent. If P(X∪Y)=0.8P(X \cup Y) = 0.8P(X∪Y)=0.8 and P(X)=0.5P(X) = 0.5P(X)=0.5, what is P(Y)P(Y)P(Y)?
0.3
0.4
0.5
0.6