SDDF

What is definition of probability ?

• Probability is a measure of the likelihood that an event will occur.
• Probability is a measure of the size of an event.
• Probability is a measure of the speed at which an event will occur.
• Probability is a measure of the certainty that an event will occur.

Jazlyn has 4 quarters, 10 dimes, and 3 nickels in her wallet. What is the likelihood of her choosing a penny?

• certain

• likely

• unlikely

• impossible

An event with a probability of equally likely as unlikely would be...

• 0

• 1/2

• 2/3

• 1