Sarah has a bag of jolly ranchers. There are 15 grape, 20 blue raspberry, 10 watermelon, 8 cherry, and 7 green apple jolly ranchers in a bag.
A) what is the probability that she will choose a grape jolly rancher?
B) what is the probability that she will choose either watermelon or cherry?
C) what is the probability that she will not choose green apple?
Explain your reasoning.