Unit 6 Probability Review 1. A bag contains seven red balls, five green balls, four yellow balls, and two black balls. A ball is picked at random from the bag. What is the probability that the ball will be red? Answer: 2. A bag contains seven red balls, five green balls, four yellow balls, and two black balls. A ball is picked at random from the bag. What is the probability that the ball will be green or yellow? Answer: 3. A bag contains seven red balls, five green balls, four yellow balls, and two black balls. A ball is picked at random from the bag. What is the probability that the ball will NOT be black? Answer: Zoom