Casio fx-7400G PLUS

– 48 –
2 C =
m
C
2

n
C
2
First, solve for C-1:
5K4(PROB) 3(
n
C
r
)2*33(
n
C
r
)2w
[Calculation Using the Playback Function]
Next, solve for C-2:
e7eee9w
Answers
130 2756
m 57
n 39
C 12
AC-6 Permutation and Combination
1
First, solve for P-1:
5K4(PROB)1(x!)/(5-2)1(x!)w
[Calculation Using the Playback Function]
Next, solve for P-2:
e8eee8e6w
n 58
r 26
P 12
Answers
120 220160
P =
n !
(
n – r )!