If P (A)=6/11,P (B)=5/11 and P (A ∪ B) = 7/11, find i. P (A ∩ B) ii. P (A /B) iii. P (B/A)

Question

Philoid · Accepted Answer

We have, P (A ∪ B) = P (A)+ P (B)- P (A ∩ B)

i. From above formula,

P (A ∩ B)= P (A)+ P (B) - P (A ∪ B)

=

= (answer)

ii. =

(answer)

iii. = = (answer)