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k k k k k Poisson Distribution
u u u u u Poisson Probability
Poisson probability calculates a probability at specified value for the discrete Poisson distribu-
tion with the specified mean.
f (x) =
Perform the following key operation from the statistical data list.
5 (DIST)
g (Poissn)
b (P.D)
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
µ .................................. population mean ( µ > 0)
Save Res .................... list for storage of calculation results (None or List 1 to 20)
Execute ....................... executes a calculation
The following shows the meaning of parameter data specification item that is different from
list data specification.
x
.................................. (
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.
Calculation Result Output Example
p ... Poisson probability
# There is no graphing for Poisson distribution.
–
µ
x
e
µ
x
(
= 0, 1, 2, ···)
x!
x
> 0)
60
µ : population mean ( µ > 0)
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