08-11-2014, 11:50 PM
The probability that at least one of the event A and B occurs is 0.6 .
if A and B occurs simultaneously with probability 0.2
then P(A')+P(B')=?
A. 0.4
B. 0.8
C. 1.2
D. 1.4
SOLUTION
P(A')+P(B') = 2 - [P(A)+P(B)]
= 2 - [0.6+0.2]
=1.2
SO CHOICE C IS CORRECT ANSWER
if A and B occurs simultaneously with probability 0.2
then P(A')+P(B')=?
A. 0.4
B. 0.8
C. 1.2
D. 1.4
SOLUTION
P(A')+P(B') = 2 - [P(A)+P(B)]
= 2 - [0.6+0.2]
=1.2
SO CHOICE C IS CORRECT ANSWER