Harry Potter and the Normal Curve

Harry Potter and the Normal Curve

11th Grade - University

11 Qs

quiz-placeholder

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Harry Potter and the Normal Curve

Harry Potter and the Normal Curve

Assessment

Quiz

Mathematics

11th Grade - University

Practice Problem

Medium

CCSS
HSS.ID.A.4

Standards-aligned

Created by

Mrs. G

Used 33+ times

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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

In the world of Harry Potter, wand lengths are normally distributed with a mean of 10.7 inches and a standard deviation of 1.6 inches.


What proportion of wizard and witches have wands shorter than Harry Potter's wand which is 11 inches?

0.4256

0.0744

0.5744

0.2450

Tags

CCSS.HSS.ID.A.4

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

In the world of Harry Potter, wand lengths are normally distributed with a mean of 10.7 inches and a standard deviation of 1.6 inches.


What proportion have wands between 9 and 12 inches?

0.6477

0.1136

0.1604

0.3143

Tags

CCSS.HSS.ID.A.4

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

In the world of Harry Potter, wand lengths are normally distributed with a mean of 10.7 inches and a standard deviation of 1.6 inches.


25% of wands are longer than ________ inches.

11

0.6745

9.62

11.78

Tags

CCSS.HSS.ID.A.4

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

In the world of Harry Potter, wand lengths are normally distributed with a mean of 10.7 inches and a standard deviation of 1.6 inches.


25% of wands are shorter than ________ inches.

11

0.6745

9.62

11.78

Tags

CCSS.HSS.ID.A.4

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

In the world of Harry Potter, wand lengths are normally distributed with a mean of 10.7 inches and a standard deviation of 1.6 inches.


The shortest known wand (belonging to Mary Cattermole) is 8.75 inches. If one wand is randomly selected, find the probability that it is longer than her wand.

0.1186

0.8885

0.3885

0.1115

Tags

CCSS.HSS.ID.A.4

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

In the world of Harry Potter, wand lengths are normally distributed with a mean of 10.7 inches and a standard deviation of 1.6 inches.


If a wand is randomly selected, what is the probability that it is longer than 12 inches?

0.2083

0.7917

0.2917

0.1792

Tags

CCSS.HSS.ID.A.4

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

In the world of Harry Potter, wand lengths are normally distributed with a mean of 10.7 inches and a standard deviation of 1.6 inches.


All wands that are shorter than ___________ inches would be considered unusual.

8.07

13.33

8.65

9.04

Tags

CCSS.HSS.ID.A.4

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