Odd only

odds only Examples: 1) There are 7 red, 8 green, and 6 blue marbles in bag. Kate is going to select one marble at random. What is the probability that she will select a green or blue marble? 2) A card is randomly selected from a deck of 52 cards. What is the probability that the card is a "10" or a "face card"? 3) You roll a fair die. What is the probability that you roll a "1" or an even number