Casio CFX9850GBPLUS User Manual page 350

u Normal Distribution Probability
Normal distribution probability calculates the probability of normal distribution data falling
between two specifi c values.
1 1
p = p =
2 2
Perform the following key operations from the statistical data list.
5 (DIST)
1 (NORM)
2 (Ncd)
Data is specifi ed using parameter specifi cation. The following shows the meaning of each
item.
Lower .......................... lower boundary
Upper .......................... upper boundary
................................. standard deviation ( > 0)
................................. mean
Save Res .................... list for storage of calculation results (None or List 1 to 26)
Execute ....................... executes a calculation
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.
# There is no graphing for normal distribution
probability.
6-7-4
Distribution
a
2 2
(x – ) (x – )
b b
– –
b
e e 2 2 dx dx
2 2
a a
20070201
: lower boundary
: upper boundary