John and Peter are among the seven players a basketball coach can choose from to field a five-player team. If all five players are chosen at random, what is the probability of choosing a team that includes John and Peter? Pick:  A) 5/11  B) 8/15  C) 9/20  D) 10/21  E) 11/24
The total possible ways of selecting a 5-member team is 7C5 = 21   The possible ways which include John and Peter is 5C3 = 10   The probability of choosing both John and Peter is 10/21   The answer is 10/21.
<result>D</result>
John and Peter are among the seven players a basketball coach can choose from to field a five-player team. If all five players are chosen at random, what is the probability of choosing a team that includes John and Peter?