Normal Distribution and Z-Scores

Quiz

•

Mathematics

•

9th - 12th Grade

•

Easy

•

CCSS

HSS.ID.A.4

Standards-aligned

Stephanie Hull

Used 15+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

On a standardized exam, the scores are normally distributed with a mean of 500 and a standard deviation of 25. Find the z-score of a person who scored 525 on the exam.

1

-1

0

2

Tags

CCSS.HSS.ID.A.4

2.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

On a standardized exam, the scores are normally distributed with a mean of 51 and a standard deviation of 10. Find the z-score of a person who scored 27 on the exam.

-2.4

2.4

1.51

-1.51

Tags

CCSS.HSS.ID.A.4

3.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

On a standardized exam, the scores are normally distributed with a mean of 400 and a standard deviation of 40. Find the z-score of a person who scored 472 on the exam.

1.8

-1.8

0.76

-0.76

Tags

CCSS.HSS.ID.A.4

4.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

On a standardized exam, the scores are normally distributed with a mean of 300 and a standard deviation of 20. Find the z-score of a person who scored 294 on the exam.

-0.3

0.5

0.3

0.95

Tags

CCSS.HSS.ID.A.4

5.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

On a standardized exam, the scores are normally distributed with a mean of 300 and a standard deviation of 40. Find the z-score of a person who scored 400 on the exam.

2.5

25

2.5%

-2.5

Tags

CCSS.HSS.ID.A.4

6.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

On a standardized exam, the scores are normally distributed with a mean of 750 and a standard deviation of 100. Find the z-score of a person who scored 580 on the exam.

-1.7

1.7%

1.12

1.7

Tags

CCSS.HSS.ID.A.4

7.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

On a standardized exam, the scores are normally distributed with a mean of 36 and a standard deviation of 5. Find the z-score of a person who scored 39 on the exam.

0.6

-0.6

0.79

-0.79

Tags

CCSS.HSS.ID.A.4

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