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Unit 6 Quiz Probability Distribution and Expected Value

Authored by Yolonda Burgess

Mathematics

11th - 12th Grade

CCSS covered

Used 26+ times

Unit 6 Quiz Probability Distribution and Expected Value
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15 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Given the probability model in the table below, what is the expected value of the random variable?
  X        50          20        5
P(X)     0.1         0.3      0.6

14
4.67
5
7.5

Tags

CCSS.HSS.MD.A.3

CCSS.HSS.MD.A.2

CCSS.HSS.MD.B.5

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Is this a probability distribution?

No

Yes

Tags

CCSS.HSS.MD.A.3

CCSS.HSS.MD.A.2

CCSS.HSS.MD.A.1

CCSS.HSS.MD.A.4

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Is this a probability distribution?

No
Yes

Tags

CCSS.HSS.MD.A.3

CCSS.HSS.MD.A.2

CCSS.HSS.MD.A.1

4.

MULTIPLE CHOICE QUESTION

15 mins • 12 pts

Media Image

The table represents the probability of guessing correct on a 5 question true-false quiz.  Find the probability for at least 4 questions correct.

.03125
.15625
.3125
.1875

Tags

CCSS.HSF-LE.A.1C

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A fair, 6-sided dice is thrown 120 times.

Roughly how many times would you expect the number 5 to come up?

6

10

12

20

Tags

CCSS.HSS.MD.A.3

CCSS.HSS.MD.A.2

CCSS.HSS.MD.B.5

6.

MULTIPLE CHOICE QUESTION

15 mins • 10 pts

A fair, 6-sided dice is thrown 18 times.

Roughly how many times would you expect the number 6 to come up?

1

3

6

Tags

CCSS.HSS.MD.A.3

CCSS.HSS.MD.A.2

CCSS.HSS.MD.B.5

7.

MULTIPLE CHOICE QUESTION

15 mins • 10 pts

Sam’s pencil case contains 3 red, 2 blue and 5 black pens.

He takes a pen out without looking then puts it back 100 times.

Roughly how many times would you expect him to pick up a red pen?

10

20

30

50

Tags

CCSS.HSS.MD.A.3

CCSS.HSS.MD.A.2

CCSS.HSS.MD.B.5

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