Normal Distribution - Casio CFX9850GBPLUS User Manual

k Normal Distribution
u Normal Probability Density
Normal probability density calculates the probability density of nomal distribution from a
x
specifi ed value. Normal probability density is applied to standard normal distribution.
f(x) = f(x) =
Perform the following key operations from the statistical data list.
5 (DIST)
1 (NORM)
1 (Npd)
Data is specifi ed using parameter specifi cation. The following shows the meaning of each
item.
x
................................. data
................................. standard deviation ( > 0)
................................. mean
Save Res .................... list for storage of calculation results (None or List 1 to 26)
Execute ....................... executes a calculation or draws a graph
• Specifying
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
6-7-3
Distribution
2 2
(x – ) (x – )
1 1
– –
e e
2 2
2 2
2 2
= 1 and = 0 specifi es standard normal distribution.
20070201
( > 0)
settings are used for graph drawing when the
[Stat Wind] setting is [Manual].