Textbook ExpertVerified Tutor
19 Nov 2021
Given information
About what percent of 
values lie between the second and third standard deviations (both sides)?
Step-by-step explanation
Step 1.
In statistics, a normal distribution is a continuous variable with pdf
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.
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Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208
Solutions
Chapter
Section
- Problem 1
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- 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