A bag contains 3 red, 2 green balls. 3 balls are drawn randomly. What is the probability that balls drawn contain exactly two green balls?  Choose one.
A) 1/7	B) 2/9	C) 3/11	D) 4/17	E) 3/10
Total number of balls = 3+2= 
<gadget id="calculator">3+2</gadget>
<output>5</output>
5   n(S)= 5C3 = 5*4*3 / 3*2 = 10   n(3/10) = 2C2* 3C1 = 3   Probability = 3/10   Answer is 3/10
<result>E</result>
A bag contains 3 red, 2 green balls. 3 balls are drawn randomly. What is the probability that balls drawn contain exactly two green balls?