Addition Rule of Probability

Which of the following shows how to determine P(packers or male)?

• 75/150 + 90/150 - 50/150

• 75/150 + 35/150 - 25/150

• 50/150 + 40/150 + 25/150

• 90/150 + 50/150 - 75/150

Which of the following shows how to determine P(skateboard or rollerblades)?

• 48/100 + 42/100 - 39/100

• 39/100 + 3/100 - 49/100

• 49/100 + 9/100 - 3/100

• 9/100 + 3/100 - 39/100

The following M & M colors are in the bowl:
4 yellow, 6 orange, 3 green, 5 blue, 2 brown.
P( Yellow or green)

• 1/40

• 7/20

• 6/19

• 1/38

Two hundred people were surveyed about whether or not they like recreational reading and academic reading. The following two-way table displays data for the sample of people who responded to the survey. What is the probability of a randomly selected person from this sample liked academic reading OR disliked recreational reading?

• 4/5

• 3/5

• 2/5

• 1/5

he probability of a New York teenager owning a skateboard is 0.37, of owning a bicycle is 0.81 and of owning both is 0.36. If a New York teenager is chosen at random, what is the probability that the teenager owns a skateboard or a bicycle?

A car company owns the following cars in the colors and makes shown in the table. If you are choosing a car, what is P(Ford)?

• 7/13

• 10/13

• 4/13

• 6/13

A car company owns the following cars in the colors and makes shown in the table. If you are choosing a car, what is P(Pink)?

• 7/13

• 5/13

• 4/13

• 8/13

• 10/13

• 9/13

• 2/13

• 12/13

The outcomes for rolling two number cubes numbered 1 through 6 are shown above. What is the probability the sum of the number cubes will be 7 or 4?

If P(A) = 0.24, P(B) = 0.41, and P(A and B) = 0.18, what is P(A or B)?

• 0.17

• 0.47

• 0.59

• 0.65