A closet contains 20 T-shirts differing in color and material. They could be divided into six categories shown in the table: red cotton T-shirts, red linen T-shirts, blue cotton T-shirts, blue linen T-shirts, green cotton T-shirts, and green linen T-shirts. Linen Cotton Red 3 6 Blue 5 2 Green 2 2 Do not round your answers. a. Find the probability that a randomly selected T-shirt is blue. ______________ b. Find the probability that a randomly selected T-shirt is blue or green. ______________ c. Find the probability that a randomly selected T-shirt is red and made of cotton. ______________ d. Find the probability that a randomly selected T-shirt is blue and made of linen. ______________ e. Find the probability that a randomly selected T-shirt is green and made of cotton or linen. ______________