MUTUALLY AND NOT MUTUALLY EVENTS

1.    A bowl contains 15 chips numbered 1 to 15. If a chip is drawn randomly from the bowl, what is the probability that it is 7 or 15?

• 1/15

• 2/15

• 3/15

• 7/15

2.    A bowl contains 15 chips numbered 1 to 15. If a chip is drawn randomly from the bowl, what is the probability that it is 5 or a number divisible by 3?

• 1/5

• 2/5

• 3/5

• 4/5

3.    A bowl contains 15 chips numbered 1 to 15. If a chip is drawn randomly from the bowl, what is the probability that it is a.       even or divisible by 3?

• 2/3

• 7/3

• 1/3

• 7/15

4.    A bowl contains 15 chips numbered 1 to 15. If a chip is drawn randomly from the bowl, what is the probability that it is a number divisible by 3 or divisible by 4?

• 2/15

• 3/4

• 7/15

• 1/15

5.    Adryan puts 44 marbles in a box in which 14 are red, 12 are blue, and 18 are yellow. If Adryan picks one marble at random, what is the probability that he selects a red marble or a yellow marble?

• 14/44

• 12/44

• 8/44

• 8/11

6.    Out of 5200 households surveyed, 2107 had a dog, 807 had a cat, and 303 had both a dog and a cat. What is the probability that a randomly selected household has a dog or a cat?

• 2611/5200

• 2107/5200

• 807/5200

• 303/5200