Wolfboy

True or false? explain

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Wolfboy

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The number of permutations of two items from a data set is
always two times the number of combinations when taking two
objects at a time from the same data set. .

ChristineToTheRescue

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D: I dunno this yet. Sorry.

Wolfboy

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I know its true but i cant remember why.

dpaInc

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Master!

Wolfboy

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?

saifoo.khan

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@dpaInc THE BOSS.

Wolfboy

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?

Wolfboy

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soooooooo no help?

saifoo.khan

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@dpaInc HELPP!!!

Wolfboy

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no a pickle

saifoo.khan

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Dpanic likes tarts.

Wolfboy

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hmmmm

dvonh2

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Combinations: n! / r!*(n-r)! r is number of things you're choosing and n is total possible number of things to choose from. And of course...order doesn't matter
Permutation: n! / (n-r)! Order does matter...you have less options to choose after each iteration

Wolfboy

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thank you and can you help with one more?

dvonh2

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So just throw in your n and r and walk through it

Wolfboy

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No you answered the question bu i have one more

Wolfboy

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*but

Wolfboy

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o wait nvm

Wolfboy

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Thx

dvonh2

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no problem, this is my 1st time on here. Looks like a good site

dvonh2

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and hopefully it helped

Wolfboy

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yea thanx