Question

.If P-Q-R and d(P,Q)= 15, d(Q,R)=8 then find d(P,R).

Answer 1

Answer:

Let A and B be two events such that P(

A∪B

)=

6

1

,P(A∩B)=

4

1

and P(

A

)=

4

1

, where

A

stands