Probability - Expected Value

The tree diagram shows the outcomes of rolling a die and flipping a coin.  
How many total outcomes are there?  

• 6
• 12
• 24
• 36

How many total outfit options are represented?

• 12
• 22
• 3

Tags

CCSS.HSS.CP.B.9

What is the probability of picking a red marble from the bag?

• 4/10
• 1/10
• 3/10

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Clare picks a marble at random, puts it back, and then picks another marble at random.

• Dependent
• Independent

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.3

CCSS.HSS.CP.A.5

CCSS.HSS.CP.B.8

Pablo chooses a colored marble from a mixed bag and writes down the color. Pablo leaves it out and then draws another.

• Independent
• Dependent

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.3

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.

Tags

CCSS.7.SP.C.5

What is the probability of spinning an even number? 

• 16 2/3%
• 33 1/3%
• 50%
• 75%

Determine the likelihood of the following event: 
Drawing a red card from a standard deck of cards

• 1/2
• 13/52
• 1/4
• 4/52

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Name a situation in real life that you could use expected value on.

• carnival games
• sports
• placing bets
• all of the above

Is your expected value always going to be what happens in real life?

• yes
• no