Probability

Probability is ...

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

What is an outcome?

• The result of an experiment
• The chance or likelihood of an event
• A fraction, decimal, or a percent
• An activity that gives various results

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

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

• 3/10
• 3/9
• 1/9
• 1/3

What is the probability of flipping a coin and getting heads?

• 1/2
• 1/3
• 1/4
• Never, Tails never fails.

Find the probability of rolling a 7 on a single die.

• 1/6
• 7/6
• 0
• 7/7

What is the probability of spinning green or blue?

• 0
• 5/12
• 1/2
• 3/4

What is the probability of rolling a 6 then a 2 or 3 on a six sided die?

• 1/18

• 3/36

• 2/12

• 1/3

If you choose from the following M & M colors, what is the probability that you choose blue?

5 green

6 yellow

8 blue

7 brown

• 8/13

• 4/13

• 8/25

• 1/3

Flipping a coin and getting tails three times in a row. (multiply 3 fractions)

• 1/8

• 1/2

• 1/6

• 3/6