
Expected Value Review
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
Standards-aligned
Hannah Duncan
Used 1+ times
FREE Resource
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
You are considering a game where you pay $5 to roll a die with the promise of receiving $10 if you roll a 6. What is the expected value of playing this game?
-$2.50
-$3.33
$0
$5
Tags
CCSS.HSS.MD.B.5A
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a lottery, 1000 tickets are sold for $1 each. One winning ticket is drawn, and the prize is $500. What is the expected value of buying one ticket?
-$0.50
$0
$0.50
$1
Tags
CCSS.HSS.MD.B.5A
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A bag contains 3 red marbles, 2 blue marbles, and 5 green marbles. If a person wins $2 for selecting a red marble and loses $1 for any other color, what is the expected value of the amount won or lost?
$0.10
-$0.10
$0.50
-$0.50
Tags
CCSS.HSS.MD.B.5A
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the probability of a software startup succeeding is 0.20 and the potential profit in case of success is $200,000, while the loss if it fails is $50,000. What is the expected value of the startup's outcome?
$10,000
$30,000
-$10,000
-$30,000
Tags
CCSS.HSS.MD.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A game involves flipping a fair coin. If it lands heads, you win $10; if tails, you lose $5. What is the expected value of the game?
$2.50
$5
-$2.50
$0
Tags
CCSS.HSS.MD.B.5A
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A stock investment has a 70% chance of increasing by $100 and a 30% of losing $50. What is the expected value of the investment's change in value?
$55
$65
$75
$85
Tags
CCSS.HSS.MD.A.2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A quiz game has three questions. Each correct answer scores 5 points, and each wrong answer scores 0 points. If a player guesses all answers, assuming a 50% chance of getting each question right, what is the expected score?
7.5
10
12.5
15
Tags
CCSS.HSS.MD.A.2
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