A store has 10 bottles of juice, including 5 bottles of apple juice. In the evening, 6 bottles of juice are sold one by one. What is the probability of selling 3 bottles of apple juice among the 6 bottles? Assume that every bottle has an equal chance of being bought. Choose the correct option:
A) 4/9  B) 6/11  C) 8/15  D) 10/21  E) 12/25
The total number of ways to sell 6 bottles from 10 is 10C6 = 210.   The number of ways to sell 3 bottles of apple juice is 5C3*5C3 = 10*10= 
<gadget id="calculator">10*10</gadget>
<output>100</output>
100   P(selling 3 bottles of apple juice)= 100/210 = 10/21   The answer is 10/21.
<result>D</result>
A store has 10 bottles of juice, including 5 bottles of apple juice. In the evening, 6 bottles of juice are sold one by one. What is the probability of selling 3 bottles of apple juice among the 6 bottles? Assume that every bottle has an equal chance of being bought.