Harry Potter and the Normal Curve
11th Grade - University
•11 Qs
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Harry Potter and the Normal Curve
Quiz
•
Mathematics
•
11th Grade - University
•
Practice Problem
•
Medium
Standards-aligned
Mrs. G
Used 33+ times
FREE Resource
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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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