Question

A class is divided into 4 groups. A bag contains pieces of paper that are red, blue, green, and yellow. For every blue- or green-colored piece of paper, there are 2 red- and 2 yellow-colored pieces of paper. The students are asked to pick a piece of paper to be put into a particular colored group. What is the probability that the first student will randomly pick a red-colored piece of paper or a blue-colored piece of paper?

Answer 1

you can solve this question by supposing that there is 1 blue and 1 green paper

Answer 2

if the information is correct, the answer shouldn't change no matter how many pieces of blue or green paper therre are