Bob plays a game where, for some number , he chooses a random integer between 0 and , inclusive. If Bob plays this game for each of the first four prime numbers, what is the probability that the sum of the numbers he gets is greater than 0?
ok, let us get it straight. are you cheating on AoPS? then, he chooses numbers bewteen 0 and what? looks like you need to tell s the number of numbers! or the blank. :D welcome!
ill be happy to help when you post the number.