" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
= 4 . 3 . 2 . 1
= 24
n(A dan B selalu berdampinga ) = 4P2
= 4! / 2!
= 4 . 3 . 2! / 2!
= 12
P (A dan B selalu berdampingan = n(A dan B slalu berdampingan ) / n(S)
= 12/24
= 1/2