A bag contains five white and four red balls. Two balls are picked at random from the bag. What is the probability that they both are different color?  Choose the correct answer:  A) 5/9  B) 3/10  C) 2/9  D) 10/19  E) 4/9
9C2 ==&gt; 5C1, 4C1   Req = (5*4)/9C2=20/36=5/9   5/9NSWER 5/9
<result>A</result>
A bag contains five white and four red balls. Two balls are picked at random from the bag. What is the probability that they both are different color?