20010101
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Normal Distribution Probability
Normal distribution probability calculates the probability of normal distribution data falling
between two specific values.
πσ
2
p
=
1
e
–
dx
2
2
σ
(
x
–
µ
)
2
µ
a
b
∫
a
: lower boundary
b
: upper boundary
Perform the following key operations from the statistical data list.
5
(DIST)
b
(Norm)
c
(C.D)
Data is specified using parameter specification. The following shows the meaning of each
item.
Lower .......................... lower boundary
Upper .......................... upper boundary
σ
.................................. standard deviation (
σ
> 0)
µ
.................................. mean
Save Res ..................... list for storage of calculation results (None or List 1 to 20)
Execute ....................... executes a calculation
After setting all the parameters, align the cursor with [Execute] and then press the function
key shown below to perform the calculation.
•
1
(CALC) ... Performs the calculation.
# There is no graphing for normal distribution
probability.
1-4-4
Distribution (DIST)
20011101
