6. There is a 0.39 probability that John will purchase a new car, a 0.73 probability that Mary will purchase a new car, and a 0.36 probability that both will purchase a new car. Find the probability...

6. There is a 0.39 probability that John will purchase a new car, a 0.73 probability that Mary will purchase a new car, and a 0.36 probability that both will purchase a new car. Find the probability that neither will purchase a new car.

7. A. Roll two standard dice and ​add ​the numbers. Determine the sample space.

B. A game is played by rolling the two dice, three times (toss the two dice three times). What is the probability of getting a number larger than 9 for the first time on the third roll? Show and explain your work and give your answer as a fraction in lowest terms.