Joseph is taking his driver’s test. The odds he will pass are 8 : 3. What are the odds against passing?


A. 3 : 8
B. 8 : 11
C. 5 : 3
D. 3 : 11

Oh my!

You received answers to 5 questions of a similar nature.
You now ask the simplest one of them all ?

Do you not understand how "odds" relate to probability ?