Question

If John pulls one marble out of the bag,what is the probability that it will not be red?That is, P (not red)?

Answer 1

Well maybe 100% because there is no numbers.

Answer 2

12 + 20 + 17 
= 49
So there are 49 marbles, and 12 of them are red
so that mean's there will be a 24.49% of picking a marble