Probability Likelihood

If a six-sided die is rolled, what is the probability that it will land on an odd number?

A jar contains 4 blue marbles, 6 green marbles and 10 white marbles. If a marble is drawn from the jar at random, what is the probability that this marble is green?

• 60%

• 3%

• 30%

• 43%

Find the probability of NOT rolling a 3 on a single die.

• 1/6

• 2/6

• 5/6

• 3

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

• 3/5

• 9/100

• 1/10

• 2/5

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

• 5/11

• 5/6

• 1/3

• 5

Which of the following are examples of Probability? Choose ALL that apply.

• It is impossible for the sun to set in the east.

Probability can be written as...

(Choose ALL that apply!)

• Percents

• Fractions

• Decimals

• Words

At a community swimming pool there are 2 managers, 8 lifeguards, 3 concession stand clerks, and 2 maintenance people.  If a person is selected at random, find the probability that the person is either a lifeguard or a manager.

• 2/3

• 8/15

• 2/15

• not enough information

A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?

• 5/6

• 1/2

• 1/3

• 1/6

Probability is ...

• the chance that some event will occur.

• a game that involves coins.

• a guarantee.