expected value & Odds
Authored by Mary Basham
Mathematics
12th Grade
CCSS covered
Used 16+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Choose an American household at random. What is the expected number of cars for that household?
Tags
CCSS.HSS.MD.A.2
CCSS.HSS.MD.B.5
CCSS.HSS.MD.A.3
2.
MULTIPLE CHOICE QUESTION
3 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? HINT: A Probability table may be helpful.
Tags
CCSS.HSS.MD.A.2
CCSS.HSS.MD.B.5
CCSS.HSS.MD.A.3
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Find the expected value. READ CAREFULLY!
Tags
CCSS.HSS.MD.A.2
CCSS.HSS.MD.B.5
CCSS.HSS.MD.A.3
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Find the expected value
Tags
CCSS.HSS.MD.A.2
CCSS.HSS.MD.B.5
CCSS.HSS.MD.A.3
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A car dealer buys hybrids for $21,000 each and sells them for $24,500 each. Find his expected weekly profit.
Tags
CCSS.HSS.MD.A.2
CCSS.HSS.MD.B.5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The probability of getting bonus points is 5:8. Find the odds in favor of getting bonus points.
5/3
5/13
3/5
8/13
Tags
CCSS.7.SP.C.5
CCSS.7.RP.A.2
CCSS.7.RP.A.3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The odds against a customer ordering dessert are 20:3. What is the probability of a customer ordering dessert?
3/20
20/23
3/23
20/3
Tags
CCSS.7.SP.C.5
CCSS.7.RP.A.2
CCSS.7.SP.C.7
CCSS.7.RP.A.3
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