Henrico Math 8 Probability Independent Event

A store sells shirts that are either small, medium, or large. The colors are either red, blue, green, or white. What is the probability someone will select a large green shirt, P(large and green)?

• 1/3

• 1/7

• 1/9

• 1/12

A bag has 3 red marbles, 2 blue, 4 green and 1 yellow. What is the theoretical probability of pulling a red?

• 3/10

• 3/9

• 1/9

• 1/3

Based on the chart, what is the experimental probability of pulling a green marble?

• 12.5%

• 32%

• 8%

• 80%

Andrew picks one marble at a time from a box and replaces it. He repeats this process 25 times and records the results in the table. Based on the table, which color marble has an experimental probability of 1/5?

• Yellow

• Red

• Blue

• Green

Find the probability of rolling a 7, P(7), on a single die.

• 1/6

• 7/6

• 0

• 7/7

Find the probability that the spinner lands on Bonus Card when spun.

• 0.44

• 0.22

• 0.14

• 0.17

What is the probability of spinning a 3 and drawing an A, P(3 and A)?

• 2/8

• 1/4

• 1/16

• 1/8

Geraldo has a deck of cards and a bag of marbles with 4 red, 6 blue, 3 green, and 2 yellow marbles. What is the probability that he draws a 7 out of the deck of cards and then pulls a blue marble out of the bag, P(7 and blue)?

• 3 ⁄ 15

• 2 ⁄ 65

• 7 ⁄ 52

• 14 ⁄ 260

To find the probability of multiple INDEPENDENT events...

• Find the probability of event #1

• Find the probability of event #2

• Add the probability of both event #1 & event #2

• Multiply the probability of both event #1 & event #2

A likely chance event is closer to what number?

• 0

• 1

• .5

• 100