Intro to Probabilty

1. What is probability?

•  a. The chance of something happening

• The color of sky

• Pizza halves

Tags

CCSS.7.SP.C.5

 If you flip a coin, what is the chance it will land on heads?

• 100%
• 75%
• 50%

Tags

CCSS.7.SP.C.5

How can we express probability?

• Probability is expressed as a picture

• Probability is expressed through verbal descriptions.
• Probability is expressed as a percentage, decimal, or fraction.

Tags

CCSS.7.SP.C.5

What does a 70% chance of rain mean?

• There is no rain

• It will definitely rain today.

Tags

CCSS.7.SP.C.5

Which of these is an example of a percentage?

• 50%
• 3 out of 10
• 25 dollars