In a box of 200 batteries, 190 are good and 10 are defective. If 4 batteries are pulled from the box, what is the possible number of ways that 2 are defective?


a. C(200, 2) x C(5, 2)

b. P(200, 2) x P(5, 2)

c. C(190, 2) x C(10, 2)

d. P(190, 2) x P(10, 2