Given a mean of 75 and a standard deviation of 7, what percentage of scores are above 82?
(You may need to draw and label a normal curve.)
Normal Probability Distributions
Quiz
•
Mathematics
•
12th Grade
•
Hard
Anthony Clark
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given a mean of 75 and a standard deviation of 7, what percentage of scores are above 82?
(You may need to draw and label a normal curve.)
34%
81.5%
16%
2.5%
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The distribution of heights of adult American men is approximately Normal with mean 69 inches and standard deviation 2.5 inches. What percent of men are between 64 and 66.5 inches tall?
(You may need to draw and label a normal curve.)
50%
2.5%
13.5%
34%
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the the total probability under the normal distribution curve?
10%
25%
.5%
100%
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The normal curve is symmetrical about the mean.
True
False
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the standard deviation of this distribution? (how far is it from the mean to the first stdev line?)
60
1010
20
40
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
According to the normal distribution, what percent of the population has an IQ between 70 -115
68%
81.5%
95%
47%
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which best describes the shaded part of the standard normal distribution graph?
All data that is one or higher
All data that is between 1 and 3
All data that is one or more standard deviations above the mean
All data that is above the mean
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