Question

If P (A) = 0.5, P (B) = 0.4 and P (A  B) = 0.2 for events A and B, then P (A ' B') = ........​

Answer 1

Answer:

P(AnB) = 0.5+0.4-0.2

=0.7

Step-by-step explanation:

P(A'UB')= 0.5+0.4-0.7

=0.2