Permutation
& Combination
PERMUTATION
The
number of different ways that a certain number of objects can be arranged in
order from a large number of objects.
Ordered
list: Order Matters
Keyword:
Arrangements
Formula: N!
(N-n)!
Example:
How many ways can you organize
those 5 objects?
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COMBINATION
The
number of different ways that a certain number of objects as a group can be
selected from a larger number of objects.
Unordered
group/set: Order does not matters
Keyword(s):
Choice, selection, election
Formula: N!
n!(N-n)!
Example:
How many ways can you organize
those 5 objects picking 3 at a time?
what if there is order of 5 out of 16 pool balls ? is that permutation or combination ? im confuse actually'
ReplyDeleteHello Fatin, Thank you for your question.
DeleteMy best answer will be permutation.
Hope it the best answer that you looking for :)