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k Poisson Distribution
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u Poisson Probability
Poisson probability calculates a probability at a specified value for the discrete Poisson
distribution with the specified mean.
f(x)
=
x!
e
–
x
µ
µ
(x = 0, 1, 2, ···)
µ
:mean (
µ
> 0)
Perform the following key operations from the statistical data list.
5(DIST)
6(g)1(POISN)
1(Ppd)
The following shows the meaning of each item when data is specified using list specification.
Data ............................ data type
List .............................. list whose contents you want to use as specified data
(List 1 to 26)
µ
.................................. mean (
µ
> 0)
Save Res .................... list for storage of calculation results (None or List 1 to 26)
Execute ....................... executes a calculation
The following shows the meaning of a parameter data specification item that is different from
list data specification.
x .................................. ( x
> 0)
After setting all the parameters, use c to move the highlighting to “Execute” and then press
the function key shown below to perform the calculation.
• 1(CALC) ... Performs the calculation.
Calculation Result Output Example
p .................................. Poisson probability
# There is no graphing for Poisson distribution.
6-7-19
Distribution