September, 16 Math 333-003, fall 1998 Name:_____________

Student ID:______________

I pledge I have not violated the NJIT Honor Code_______________________

Must show all work for full credit!


A rental car service facility has 5 foreign cars and 10 domestic cars waiting to be serviced on a particular Saturday morning. Because there are so few mechanics working on Saturday, only 5 can be serviced. If the five cars to be serviced are chosen at random,





  1. what is the probability that exactly three of the selected cars are domestic ?
  2. (10 pts)














  3. what is the probability that at least one is foreign ?

(10 pts)