15. Correct. The answer is false. The probability of drawing neither an
engineer with 4 years' experience nor an engineer from Argentina can be denoted by P(4' ∩ India').
However, P(4' ∩ India') = P(4 U India)'. Accordingly,
P(4 U India)' = 1 - P(4 U India) = 1 - [P(4) +
P(India) - P(4 ∩ India) ]