Suppose P(E) = 43⁄100 , P(Fᶜ ) = 9⁄25 , and P(F ∩ Eᶜ ) = 2⁄5. Find P(E ∪ F).
a) 0.03
b) 0.24
c) 0.17
d) 0.83
e) 0.21