Each of four friends orders a sweatshirt from a catalog. There are 18 colors of sweatshirts, 6 of which are all cotton and 12 of which are a blend. Each one orders a different color (no repeats) at random. What is the probability that the friends order only cotton sweatshirts?

(a). 1/204
(b). 1/15
(c). 77/255
(d). 91/15

Question

Each of four friends orders a sweatshirt from a catalog. There are 18 colors of sweatshirts, 6 of which are all cotton and 12 of which are a blend. Each one orders a different color (no repeats) at random. What is the probability that the friends order only cotton sweatshirts? 

(a). 1/204
(b). 1/15
(c). 77/255
(d). 91/15

haseeb96 · Answer

sorry i dont have grip in probability chapter