Lesson Introduction to 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

The following M & M colors are in the bowl: 4 yellow, 7 orange, 3 green, 5 blue What is the likelihood of selecting a brown candy?

• unlikely

• certain 

• equally likely

• impossible 

What is the probability of randomly selecting an odd number from the numbers 1 -15?

• 8/15

• 1/2

• 7/15

• 1/8

The letters in the word AUGUST are placed into a bag. What is the probability of selecting a U?

• 2/5

• 1/3

• 3/5

• 3/6

What is the probability of spinning green?  Remember to reduce!

• 0
• 1/4
• 1/2
• 3/4

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

• certain

• impossible 

• unlikely 

• equally likely 

What is the probability of spinning red?

• 0
• 5/12
• 1/2
• 3/4

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

A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon?

• 3
• 1/10
• 3/10
• 30%