Expected Value
9th - 12th Grade
•18 Qs
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Expected Value
Quiz
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Medium
+3
Standards-aligned
Michelle Hills
Used 92+ times
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18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
If the expected value is negative, are you expected to win?
Tags
CCSS.HSS.MD.A.2
CCSS.HSS.MD.A.3
CCSS.HSS.MD.A.4
CCSS.HSS.MD.B.5
2.
MULTIPLE CHOICE QUESTION
5 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.A.2
CCSS.HSS.MD.A.3
CCSS.HSS.MD.B.5
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Suppose you buy a ticket for $6 out of a lottery of 1000 tickets where the prize for the one winning ticket is $800. What is the expected value (after paying for the ticket)?
$800
-$6.50
-$6
-$5.20
Tags
CCSS.8.EE.C.7B
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A student group sells 500 raffle tickets for $2 each. At the drawing the top prize will be a gift certificate for $100. Second prize will be a $50 gift card and there will be five 3rd prizes, each a $20 gift card. Do you expect to win or lose (on average)? How much?
lose an average of $5.50
lose an average of $1.50
win an average of $2.00
lose an average of $10.00
Tags
CCSS.HSS.MD.A.2
CCSS.HSS.MD.A.3
CCSS.HSS.MD.B.5
5.
MULTIPLE CHOICE QUESTION
5 mins • 12 pts
In a certain community, 30% of households have 1 child, 43% have 2 children, and 27% have 3 children. If a household is selected at random, what is the expected number of children in that household?
2.00
2.13
1.97
1.27
Tags
CCSS.HSS.MD.A.2
CCSS.HSS.MD.A.3
CCSS.HSS.MD.B.5
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
You pick a card from a deck. If you get a face card (12/52), you win $5. If you get an ace (4/52), you win $30. For any other card (26/52), you win nothing. Find the expected value you will win.
$5.00
$3.55
$4.04
$3.46
Tags
CCSS.HSS.MD.A.2
CCSS.HSS.MD.A.3
CCSS.HSS.MD.B.5
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A game involves rolling a colored die with three red sides, two green sides, and one blue side. A roll of a red loses. A roll of green wins $2.00. A roll of blue wins $5.00. The charge to play the game is $2.00. What is the expected value
Tags
CCSS.HSS.MD.A.2
CCSS.HSS.MD.A.3
CCSS.HSS.MD.B.5
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