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Normal Distribution Probability
Normal distribution probability calculates the probability of normal distribution data falling
between two specific values.
"#
2
p
= 1
e
–
dx
2
2
#
(
x
–
µ
)
2
µ
a
b
$
a
: lower boundary
b
: upper boundary
Perform the following key operation 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
#
.................................. population standard deviation (
#
> 0)
µ
.................................. population 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.
