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expected value & Odds

Authored by Mary Basham

Mathematics

12th Grade

CCSS covered

Used 16+ times

expected value & Odds
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17 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Choose an American household at random. What is the expected number of cars for that household?

1.75
1.84
2.00
2.50

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.

2.00
2.13
1.97
1.27

Tags

CCSS.HSS.MD.A.2

CCSS.HSS.MD.B.5

CCSS.HSS.MD.A.3

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Find the expected value. READ CAREFULLY!

4.5
25.5
3.825
6.52

Tags

CCSS.HSS.MD.A.2

CCSS.HSS.MD.B.5

CCSS.HSS.MD.A.3

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Find the expected value

Loss of $0.875
Loss of $2.125
Win of $1.875
Win of $3.125

Tags

CCSS.HSS.MD.A.2

CCSS.HSS.MD.B.5

CCSS.HSS.MD.A.3

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

A car dealer buys hybrids for $21,000 each and sells them for $24,500 each. Find his expected weekly profit.

$2,380
$5,355
$8,109
$37,485

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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