Jack and Jill work at a hospital with 5 other workers. For an internal review, 2 of the 7 workers will be randomly chosen to be interviewed. What is the probability that Jack and Jill will both be chosen?
Pick:  A) 1/3  B) 1/4  C) 1/21  D) 3/8  E) 2/3
1/7C2=1/21.   Answer: 1/21.
<result>C</result>
Jack and Jill work at a hospital with 5 other workers. For an internal review, 2 of the 7 workers will be randomly chosen to be interviewed. What is the probability that Jack and Jill will both be chosen?