SOLUTION: Naoko found a deck of cards that had been dropped onto the floor. She picked up at least 1 card. She may have pick up 1, all 52, or any number in between. How many possible combina

Algebra ->  Permutations -> SOLUTION: Naoko found a deck of cards that had been dropped onto the floor. She picked up at least 1 card. She may have pick up 1, all 52, or any number in between. How many possible combina      Log On


   



Question 524688: Naoko found a deck of cards that had been dropped onto the floor. She picked up at least 1 card. She may have pick up 1, all 52, or any number in between. How many possible combinations are there for what she picked up?
Found 2 solutions by stanbon, solver91311:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Naoko found a deck of cards that had been dropped onto the floor. She picked up at least 1 card. She may have pick up 1, all 52, or any number in between. How many possible combinations are there for what she picked up?
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Each card is either picked up or not picked up:
That gives 2^52 combinations including the empty combination.
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So there are 2^52 - 1 combination that contains at least 1 card.
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Cheers,
Stan H.
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Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


A bunch.



Where is the number of combinations of things taken at a time and is calculated by

You can save yourself half the work by using symmetry:



Also, in Excel (on the PC) or Numbers (on a Mac) the formula



yields

just fill in the numbers for and that you need.

John

My calculator said it, I believe it, that settles it
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