In a box of 9 pens, a total of 3 are defective. If a customer buys 2 pens selected at random from the box, what is the probability that neither pen will be defective?  Choose the correct choice from the following:	A) 3/10	B) 4/11	C) 5/12	D) 6/13	E) 7/15
P(neither pen is defective) = 6/9*5/8 = 5/12   The answer is 5/12.
<result>C</result>
In a box of 9 pens, a total of 3 are defective. If a customer buys 2 pens selected at random from the box, what is the probability that neither pen will be defective?