Probability Quiz

Mrs. Trevino has 3 red pens, 5 pink pens, and 8 blue pens. What is the probability that she will choose a blue pen to grade papers?

• 1/2

• 8

• 3/16

• 16/8

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

If you were to roll the die one time what is the probability of it landing on a 2?

• 2 out of 6
• 2 out of 2
• 1 out of 6
• 1 out of 1

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

• impossible
• unlikely
• equally likely
• likely

What is the probability of selecting an orange candy?

• 0%
• 25%
• 50%
• 100%

Probability is ...

• the chance that some event will occur.
• a game that involves coins.
• a guarantee.

The probability of an event occurring, P(A), can be expressed as a fraction, decimal, or percent.

• True
• False

If I flip a coin 10 times, how many times should I get heads?

• 1
• 10
• 3
• 5

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

• 3/10

• 3/9

• 1/9

• 1/3

What is the probability of spinning a 2 on the spinner?

• 1/2

• 1/3

• 1/8

• 1/4