Expected Value Review
Authored by Abram Camarena
Mathematics
9th Grade
CCSS covered
Used 6+ times
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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
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
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?
Tags
CCSS.HSS.MD.A.2
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