Basic Probability

Probability is ...

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

Probability can be written as ...

• a fraction
• a decimal
• a percent
• all of the above

Which word best describes the probability that it will rain today?

• 1 million chance

• never

• Likely

• Very unlikely

Which word best describes the probability that I will see a flying pig today?

• Certain

• Impossible

• Likely

• Very unlikely

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

• 1/2334

Find the probability of rolling a 7 on a single, 1-6 sided die.

• 1/6

• 7/6

• 0

• 7/7

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

• 6/6
• 5/6
• 4/6
• 1/6

If you choose from the following M & M colors, what is the probability that you choose a white

• 8/26

• 0

• 8/25

• 1/3

What is the probability of spinning the spinner and landing on 7

• 6/8
• 1/8
• 7/8
• 8/8

The theoretical probability of rolling an even number on a dice.

• 3/6
• 1/2
• 1/6
• 5/6