A firm employs 16 accountants, of whom 7 are CPAS. If a delegation of 2 accountants is randomly selected from the firm to attend a conference, what is the probability that 2 CPAs will be selected?

Question

anonymous · Answer

Hmmm, how about: $$
\frac{7\choose 2}{16\choose 2}
$$

anonymous · Answer

I got .4375, is this correct? Also, is this how I could set up any similar problem?

anonymous · Answer

How would you generalize the problem?

anonymous · Answer

http://www.wolframalpha.com/input/?i=%287+choose+2%29%2F%2816+choose+2%29

anonymous · Answer

In general, you could the number of ways to pick delegates that are successful, and then divide by the total number of ways to pick delegates.

anonymous · Answer

Thank you!