Simple Probability

The probability of it raining today is 30%.  What is the compliment of this event?

• 30% chance of rain

• 70% chance of no rain

• 100% rain is certain

• 0% rain is impossible

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”? 

• 2/7

• 5/49

• 5/7

• 10/49

Probability values are between ____________________.

• 0 and -1

• 0 and 1

• 1 and 100

• 0.5 and 1

An event with a probability of impossible would be...

• 0

• 1/2

• 2/3

• 1

What is the probability of choosing a blue marble?

• Certain

• Likely

• Unlikely

• Impossible

The following M & M colors are in the bowl:
4 yellow, 6 orange, 3 green, 5 blue, 2 brown
What is the probability of selecting a brown candy?

• 2/18

• 1/9

• 2/20

• 1/10

What is the probability of spinning an even number? 

• 16 2/3%

• 33 1/3%

• 50%

• 75%

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

• 8/26

• 4/13

• 8/25

• 1/3

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.