A car dealership has 7 red, 13 silver, and 4 black cars on the lot. Ten cars are randomly chosen to be displayed in front of the dealership. Complete parts (a) through (c) below.

(a) Find the probability that 4 cars are red and the rest are silver. (Round to four decimal places as needed.) (b) Find the probability that 6 cars are red and 4 are black. (Round to six decimal places as needed.) (

c) Find the probability that exactly 7 cars are red.(Round to five decimal places as needed.)