Sample Spaces and Probability

You pick a marble from this bag.
What is the probability you will choose either a black or a white marble?
*remember to simplify* 

• 3/5

• 4/10

• 3/10

• 6/10

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

The chart below represents the number of marbles in a jar.
P(green) = 

• 5/19

• 10/28

• 5/14

• 17/38

What is the probability of rolling 15 with a pair of dice?

• impossible

• unlikely

• equally likely

• likely

What is the probability of getting any letter that is not A?

• 6/8

• 3/4

• 2/8

• 1/4

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

• 30%

• 3/9

• 1/4

• 25%

100% chance of something happening

• Uncertain

• Impossible

• Possible

• Certain

What is the probability of spinning an even number?

• 16 2/3%

• 33 1/3%

• 50%

• 75%

Find the probability of rolling greater than a 1 on a single die.

• 6/6

• 5/6

• 4/6

• 1/6

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

• 1/6

• 2/6

• 5/6

• 2