(a) Joe is playing a role-playing game with his friends. He will roll dice to determine if his character casts a spell. The odds in favor of his character casting 7 a spell are -. Find the probability of his character casting a spell. X S ? (b) A child has a box full of colored building blocks. If he chooses one block without looking, the probability of choosing a green block is What are the odds against choosing a green block? :0 0to X S