There Are Currently 18 Pit Bulls at the Pound

Multiple Choice

There are currently 18 pit bulls at the pound. Of the 18 pit bulls, four have attacked another dog in the last year. Joe, a member of the staff, randomly selects six of the pit bulls for his group. What is the probability that at least one of the pit bulls in Joe's group attacked another dog last year?

A) 0.1618
B) 0.4314
C) 0.5686
D) 0.8382