Question

David has a bag that holds 18 pens. 5 of the pens are ball point, 4 are gel pens and 9 are felt tip marker pens. He reaches into the bag to pull out one pen. If every pen has an equal chance of being pulled out of davids bag, what is the probability that he will pull out a gel pen

Answer 1

If you take away 18-5= 13 then 13-9= 4 so thats the probability that it is 4

Answer 2

The probability is 4