Question
Question: If P(1) = \( rac { 1 } { 2 }\) , P(2) = \(\frac { 1 } { 3 }\) and P(AĒB) = \( rac { 7 } { 12 }\) ,...
If P(1) = rac12 , P(2) = 31 and P(AĒB) = rac712 , then the value of
P(A¢ĒB¢) is
A
61
B
41
C
rac34
D
rac712
Answer
rac { 3 } { 4 }
Explanation
Solution
[21+31−127]
= 1 – [126+4−7]
= 129 = 43