Question

Find P(C|Y) from the information in the table.




To the nearest tenth, P(C|Y) =

Answer 1

P(CIY)=[P((C and Y)]/P(Y)
P(C)=40/146=20/73
P(Y)=30/146=15/73
Thus:
P(C and Y)=15/146=
Hence:
P(CIY)=(15/146)/(15/73)=1/2