Intro to Probability

We need water to live

• Certain

• Likely

• Unlikely

• Impossible

How likely are you to grab a square?

• Likely

• Unlikely

• Equally Likely

Given the picture shown, what is the probability of choosing a blue gumball?

• Likely

• Unlikely

• Equally likely

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

• certain
• impossible 
• unlikely 
• equally likely 

A flying pig

• Likely

• Possible

• Unlikely

• Impossible

An event has a 50% chance of happening. This event is ___.

• Impossible

• Unlikely

• As likely as not

• Likely

• Certain

An event has a 0% chance of happening. This event is ___.

• Impossible

• Unlikely

• As likely as not

• Likely

• Certain

An event has a 75% chance of happening. This event is ___.

• Impossible

• Unlikely

• As likely as not

• Likely

• Certain

An event has a 100% chance of happening. This event is ___.

• Impossible

• Unlikely

• As likely as not

• Likely

• Certain

When figuring the probability of an event, what number goes on top of your fraction?

• The number of the desired event

• The total number of choices

• The event that happens the most

• The even that happens the least