Casio fx-9860G AU Calculator User Manual


 
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k Normal Distribution
uu
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u Normal Probability Density
Normal probability density calculates the probability density of nomal distribution from a
specified x value. Normal probability density is applied to standard normal distribution.
πσ
2
f(x) =
1
e
2
2
σ
(x µ)
2
µ
(σ > 0)
Perform the following key operations from the statistical data list.
5(DIST)
1(NORM)
1(Npd)
Data is specified using parameter specification. The following shows the meaning of each
item.
x .................................. data
σ
.................................. standard deviation (
σ
> 0)
µ
.................................. mean
Save Res .................... list for storage of calculation results (None or List 1 to 26)
Execute ....................... executes a calculation or draws a graph
•Specifying
σ
= 1 and
µ
= 0 specifies standard normal distribution.
After setting all the parameters, use c to move the highlighting to “Execute” and then press
one of the function keys shown below to perform the calculation or draw the graph.
1(CALC) ... Performs the calculation.
6(DRAW) ... Draws the graph.
Calculation Result Output Example
p .................................. normal probability density
# V-Window settings for graph drawing are set
automatically when the Setup screen's [Stat
Wind] setting is [Auto]. Current V-Window
settings are used for graph drawing when the
[Stat Wind] setting is [Manual].
6-7-3
Distribution