Citizen SR-282 - Probability

-E17-
¾
If x = 5, y = 30, what are r, ? Ans : r = 30.4138126515, =
80.537677792
o
DEG ( )
R P(5 ,
[ 2nd ]
[ R
P ] 5 [ 2
nd ] [
] 30
30
DEG
r
[ ]
3 0 . 4138126515
DEG
θ
[ 2nd ] [ x
↔
y ]
8 0
.
537677792
¾
If r = 25,
= 56
o
what are x, y ? Ans : x = 13.9798225868, y =
20.7259393139
DEG ( )
P R(25,
[ 2nd ] [ P R ] 25 [ 2nd ] [ ] 56
56
DEG
X
[ ]
1 3 . 9798225868
DEG
Y
[ 2nd ] [ x
↔
y ]
2 0 .
7
259393139
Probability
This calculator provides the following probability functions :
[ nPr ] Calculates the number of possible permutations of n item
taken r at a time.
[ nCr ] Calculates the number of possible combinations of n items
taken r at a time.
[ X! ] Calculates the factorial of a specified positive integer n,
where n
Љ
69.
[ RND ] Generates a random number between 0.000 and 0.999
¾
840
!])47([
!7
=
−
DEG
7P4=
7 [ 2nd ] [ nPr ] 4 [ ]
840.
¾
53
!])47([!4
!7
=
−