Math 4 Honors Unit 6 Day 3 Warm-Up Question Preview (ID: 58098)


Expected Value And Fair Games. TEACHERS: click here for quick copy question ID numbers.

A box has five $20 bills, four $5 bills, and one $100 bill. You can pick one bill from the box. You must pay $15 to play. Should you play?
a) Yes, because the expected value is positive
b) No, because the expected value is positive
c) Yes, because the expected value is negative
d) No, because the expected value is negative

You are given a 10-question multiple choice quiz. Each question has 4 answer choices. You forgot to study the night before and you slept through class when this material was taught, so you must blindly guess at the questions. How many questions sho
a) 6 Questions
b) 10 Questions
c) 4 Questions
d) 2.5 Questions

Kohl’s is having a sale. They send out 10,000 bonus savings cards. There are 50 cards that give a $20 discount, 950 cards that give a $10 discount, and 9000 cards that give a $5 discount. How much can someone expect to receive?
a) $55,500
b) $35
c) $5.55
d) $55.50

You are organizing a raffle to raise money for playground equipment for the local elementary school. Five thousand raffle tickets are sold. There is one grand prize of $2500. What price will you set for the tickets to make it fair?
a) $1
b) $2
c) $1.50
d) $0.50

You pay to play a game called “Three Tails”. Three coins are flipped. If all three of them turn up tails, you win $7. Otherwise you lose. What price should you pay in order to make this a fair game?
a) $0.88
b) $1.75
c) $2.33
d) $1.17

No Question
a) Pick me!
b)
c)
d)

No Question
a) Pick me!
b)
c)
d)

No Question
a) Pick me!
b)
c)
d)

No Question
a) Pick me!
b)
c)
d)

No Question
a) Pick me!
b)
c)
d)

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