Mr James is about to give one of his students a piece of candy for asking a good question in class He s going to choose the piece of candy at random out of a bag he brings to class The following pieces of candy are in the bag 15 apple gumballs 4 grape gumballs and 4 apple suckers But there are no grape suckers What is the probability that the piece of candy Mr James chooses is grape or is a sucker Do not round intermediate computations and round your answer to the nearest hundredth If necessary consult a list of formulas