Distribution Probability - Casio fx-9860G Series User Manual

t
Student-

Distribution Probability

t
Student- distribution probability calculates the probability of
between two specifi c values.
Γ Γ
p = p =
df df
Γ Γ
Perform the following key operations from the statistical data list.
5(DIST)
2(t)
2(tcd)
Data is specifi ed using parameter specifi cation. The following shows the meaning of each
item.
Lower .......................... lower boundary
Upper .......................... upper boundary
df
................................ degrees of freedom (
Save Res .................... list for storage of calculation results (None or List 1 to 26)
Execute ....................... executes a calculation
After setting all the parameters, use
the function key shown below to perform the calculation.
• 1(CALC) ... Performs the calculation.
# There is no graphing for Student-
probability.
6-7-8
Distribution
df + 1 df + 1
∫ ∫
b b
– –
2 2
2 2
x x
1+ 1+
df df
π π
df df a a
2 2
to move the highlighting to "Execute" and then press
t
distribution
20070201
t
distribution data falling
df+1 df+1
a
: lower boundary
2 2
dx dx
b
: upper boundary
df
> 0)