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Expected Value Review

Authored by Abram Camarena

Mathematics

9th Grade

CCSS covered

Used 6+ times

Expected Value Review
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15 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Eva flips a coin. If she gets heads, she wins $4. If she gets tails, she loses $3. What is her expected value of a coin flip?

$1

$0.50

-$0.50

$0

Tags

CCSS.HSS.MD.B.5A

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

If this game costs $22 and you play it 100 times how much do you expect to win or lose over those plays?

$0

$100 loss

$200 profit

$300 loss

Tags

CCSS.HSS.MD.B.5A

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

What is the expected value of the spinner?

6.25

6.5

4.75

13

Tags

CCSS.HSS.MD.B.5A

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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.B.5A

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A bag contains 4 red balls and 6 blue balls. You draw one ball at random. If you draw a red ball, you win $5. If you draw a blue ball, you lose $3. What is the expected value of a draw?

$0.20

$0.50

$0.80

$1.20

Tags

CCSS.HSS.MD.B.5A

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A lottery ticket costs $3. The probability of winning $50 is 1/100, and the probability of winning $10 is 1/20. What is the expected value of buying a ticket?

-$0.10

$0.50

$1.00

$0.20

Tags

CCSS.HSS.MD.B.5A

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A coin is flipped 3 times. If you get tails once you get $5, tails twice you get $15, and tails on all three flips you get $40. What is the expected amount of money you will get?

$12.50
$5
$7.50
$10

Tags

CCSS.HSS.MD.A.2

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