Basic Probability

What is probability?

• A number between zero and one
• The chance or the likelihood of an event happening
• The favorable outcomes divided by all the possible outcomes.
• All of the choices are true.

What is the probability of spinning orange on this spinner?

• 2/9
• 1/5
• 1/4
• none of the above

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

What is the probability of spinning green on this spinner?

• 4/12 = 1/3
• 3/12 = 1/4
• 5/12
• none of the above

Tags

CCSS.7.SP.C.7B

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

Tags

CCSS.HSS.CP.A.1

What is the probability of one of these cards (the ones in the image) being black?

• 7/13
• 2/13
• 10/13
• none of the above

Tags

CCSS.7.SP.C.7B

What is the probability of one of these cards (the ones in the image) having an odd number?

• 1/13
• 8/13
• 12/13
• none of the above

Tags

CCSS.7.SP.C.7B

What is the probability of one of these cards (the ones in the image) being black AND having an odd number?

• 3/13
• 5/13
• 10/13
• 7/13

What is the complement of spinning purple on this spinner?

• Not green
• Purple
• Not purple
• Orange, red, or yellow

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

A bag holds five different colors of M&Ms. The probability of selecting green is 1/12, orange is 1/4, yellow 1/6, and brown is 5/12. What is the probability of selecting a blue M&M?

• 1/12
• 5/12
• 1/6
• 1/2

Rolling an even number on a number cube is

• Impossible
• Certain
• Equally Likely
• Likely

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7