A room contains twelve people who are wearing badges numbered 1 to 12. If three people are randomly selected, what is the probability that the person wearing badge 6 will be included?
I did 1/(12C3) and got 1/55. I'm not sure if I did it right =O
A room contains twelve people who are wearing badges numbered 1 to 12. If three people are randomly selected, what is the probability that the person wearing badge 6 will be included?
I did 1/(12C3) and got 1/55. I'm not sure if I did it right =O