CCG Expected Value

What is the expected value of the spinner?

• 6.25

• 6.5

• 4.75

• 13

Tags

CCSS.HSS.MD.B.5A

You roll a standard die. You win $12 if you roll a six, $6 if you roll a one, and $0 if you roll anything else. What is the expected value of a single roll?

• $3

• $18

• $9

• $2

Tags

CCSS.HSS.MD.A.2

CCSS.HSS.MD.A.3

CCSS.HSS.MD.B.5

What is expected value of the spinner?

• 3.3

• 6

• 3.7

• 11

Tags

CCSS.HSS.MD.A.2

CCSS.HSS.MD.A.3

CCSS.HSS.MD.A.4

CCSS.HSS.MD.B.5

If the expected value of a game is negative, are you expected to win money on the game?

• yes

• no

Tags

CCSS.HSS.MD.A.2

CCSS.HSS.MD.A.3

CCSS.HSS.MD.B.5

What is the expected value?

• -3.7

• 5.9

• 1.44

• -1.1

Tags

CCSS.HSS.MD.A.2

CCSS.HSS.MD.A.3

CCSS.HSS.MD.A.4

CCSS.HSS.MD.B.5

What is the expected value of the spinner?

• 1.375

• 1.875

• 2.5

• 1.65

Tags

CCSS.HSS.MD.A.2

CCSS.HSS.MD.A.3

CCSS.HSS.MD.B.5

Suppose you pay $1.00 to roll a fair die with the understanding you will get $3.00 back rolling a 4 or a 2, and nothing otherwise. Is this a fair game?

• yes

• no

Tags

CCSS.HSS.MD.A.2

CCSS.HSS.MD.A.3

CCSS.HSS.MD.B.5

​ ​ Note- a standard 52-card deck has:

4 suits (heart, spades, clubs, diamonds)

Each suit has 13 cards

Each suit has its own 3 face cards

Example: there are 13 heart cards, three of which are face cards.

a

c

e

8

-6

-10

-8

10

6