Question

P (D) = .42, P (E) = .27, and P (D ∩ E) = .15 P (D U E)

Answer 1

We know that $P(D\cap E)=P(D)P(E)=\boxed{0.1134}$.

And $P(D\cup E)=P(D)+P(E)-P(D\cap E)=\boxed{0.5766}$.

Hope this helps.