Sample Spaces Probability

Your friend has eight sweatshirts. Three sweatshirts are green, one is white, and four are blue. You forgot your sweatshirt, so your friend is going to bring one for you as well as one for himself. What is the probability that your friend will bring two blue sweatshirts?

Find the probability that a student chosen at random has a GPA of at least 3.0

• 0.25

• 0.19

• 0.44

• 0.32

Find the probability that a student chosen at random has a GPA between 1.0 and 2.9, inclusive.

• 0.09

• 0.41

• 0.26

• 0.50

A bag contains 40 marbles. There are an equal amount of red, yellow, blue and black marbles. What is the probability of drawing 1 red marble from the bag?

Tell whether the statement is always, sometimes, or never true:

The experimental probability of an event occurring is equal to the theoretical probability of an event occurring.

• Always

• Sometimes

• Never

The following M & M colors are in the bowl:

4 yellow, 6 orange, 3 green, 5 blue, 2 brown.

What is the probability of selecting a brown candy?

• 2/18

• 1/9

• 2/20

• 1/10

The sample space tree diagram for a team of three students is shown.  What is the probability that the team would consist of at least 2 girls?

• ½

• ⅜

• ¾

• ⅙

P(not A) = 

• 6/8

• 3/4

• 2/8

• 1/4

Find the probability of not rolling a 2 on a single die.

• 1/6

• 2/6

• 5/6

• 2

Find the experimental probability:

Roll dice: 1, 3, 3, 4, 4

P(1) =

• 3/5

• 1/6

• 2/5

• 1/5