Casio STAT 2 Manual page 116

Example Calculate the probability of a !
freedom is 4 and the upper limit is !
Procedure
1 m STAT2
2 5(DIST)d(! 2
3 aw
cw
ew
1(None)c
4 1(CALC)
Result Screen
Result : p = 0.264
53
examples
)c(C.D)
2 distribution when the degrees of
2 = 2.