A medical team of 5 members has to be chosen from 3 physicians, 3 surgeons and 3 neurosurgeons. What is the chance that there are at least 1 physician, 1 surgeon and 1 neurosurgeon?

In the US Congress, the Senate consists of 13 women and 87 men. The President randomly selects members of the Senate to sit in on his meetings. What is the probability of selecting 3 consecutive women? After selecting each person, you do not place them back in the selection pool.

A student is taking an exam and doesn't know the answers to 3 of the questions, so they decide to guess randomly on all three of them. One of the questions is a true/false question, one is a multiple choice question with 3 possible answers, and one is a multiple choice question with 4 possible answers. What is the percentage chance that they will answer all 3 questions correctly?

A committee has seven men and four women. If four people are selected to go to a conference, what us the chance that the group is two men and two women?