Textbook ExpertVerified Tutor
19 Nov 2021
Given information
About what percent of 
values from a normal distribution lie within one standard deviation (left and right) of the mean of that distribution?
Step-by-step explanation
Step 1.
A normal distribution is a continuous variable with pdf in statistics.
Where: 
is the mean of the distribution and 
is the standard deviation; notation 
. If 
the random variable is called the standard normal distribution.
In a normal distribution, the 
-score indicates how many standard deviations a given number is above or below the mean. The -negative score's value indicates that the value is below the mean, while the positive value indicates that it is above the mean.
Unlock all Textbook Solutions
Already have an account? Log in
Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208
Solutions
Chapter
Section
- Problem 1
- Problem 2
- Problem 3
- Problem 4
- Problem 5
- Problem 6
- Problem 7
- Problem 8
- Problem 9
- Problem 10
- Problem 11
- Problem 12
- Problem 13
- Problem 14
- Problem 15
- Problem 16
- Problem 17
- Problem 18
- Problem 19
- Problem 20
- Problem 21
- Problem 22
- Problem 23
- Problem 24
- Problem 25
- Problem 26
- Problem 27
- Problem 28
- Problem 29
- Problem 30
- Problem 31
- Problem 32
- Problem 33
- Problem 34
- Problem 35
- Problem 36
- Problem 37
- Problem 38
- Problem 39
- Problem 40
- Problem 41
- Problem 42
- Problem 43
- Problem 44
- Problem 45
- Problem 46
- Problem 47
- Problem 48
- Problem 49
- Problem 50
- Problem 51
- Problem 52
- Problem 53
- Problem 54
- Problem 55
- Problem 56
- Problem 57a
- Problem 57b
- Problem 58a
- Problem 58b
- Problem 59a
- Problem 59b