probability 76

A dealership has 6 red, 11 silver, and 5 black cars on the lot. Ten cars are randomly chosen to be displayed in front of the dealership. Complete multiple parts.
(a) Find the probability that 4 cars are red and the rest are silver. (round to 4 dec places)

(b) Find the probability that 5 cars are red and 5 are black (round to 6 dec places)

(c) Find the probability that exactly 6 cars are red (round to 5 dec places)