MHT CET20226 Aug 2022Evening ShiftMathematicsProbabilityActual
If P^ (A^ )+P (B^ ) P(A B)=0.7 then P^ (A^ )+P (B^ ) is
Options
- A1.1
- B0.6
- C1.8
- D1.6
Correct answer
A. 1.1
Step-by-step solution
aligned & P (A^ )+P (B^ )=1-P(A)+1-P(B) & =2- P(A)+P(B) & =2- P(A B)+P(A B) & =2- 0.7+0.2 & =2-0.9 & =1.1 aligned