40 students were surveyed about whether they have a cat, dog, or both. Event A = Cat Event, B= Dog.
( P and B) = 9/40
P(A)= 23/40
P(B)= 2/5

(A|B)=

A. 16/23
B. 9/40
C. 7/16
D. 9/16
Fill in the Digram