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lgbasallote

  • 2 years ago

there are five people in an elevator in a six storey building. What is the probability that each person gets off the elevator on unique storeys of the building?

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  1. lgbasallote
    • 2 years ago
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    it's not that simple....

  2. pathosdebater
    • 2 years ago
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    6*6*6*6*6

  3. pathosdebater
    • 2 years ago
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    6^5 = 7776

  4. lgbasallote
    • 2 years ago
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    no idea where you got that solution....

  5. ChmE
    • 2 years ago
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    \[\frac{ 6P5 }{ 6^{5} }\]

  6. pathosdebater
    • 2 years ago
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    6P5/6^5

  7. lgbasallote
    • 2 years ago
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    oohh so close...

  8. pathosdebater
    • 2 years ago
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    5P5/5^5?

  9. HyperChemist
    • 2 years ago
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    Well, I hope to learn something new today, given the chance that all the people got off at different stories, wanted to go to different rooms, had to go down or up, I'd say that it would look something like... ah, and theres only 5 people so...P=people F+Floor X: starting place Y: Ending place Y=(5f)...and I do not know what dodo from there.

  10. lgbasallote
    • 2 years ago
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    that's a bit complicated @HyperChemist ....

  11. lgbasallote
    • 2 years ago
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    @pathosdebater why so?

  12. HyperChemist
    • 2 years ago
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    Oh, Y=((5f)-x)5

  13. lgbasallote
    • 2 years ago
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    why put in algebra...

  14. pathosdebater
    • 2 years ago
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    Well if you count the floor they all get into the elevator on, then there are only 5 other floors left.

  15. HyperChemist
    • 2 years ago
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    well, for me it helps...Hoe else could I write it so?

  16. lgbasallote
    • 2 years ago
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    so why didn't we get that solution in the first place?

  17. HyperChemist
    • 2 years ago
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    I guess your right it only complicates things for me

  18. pathosdebater
    • 2 years ago
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    The problem statement specifies that there are 6 stories, so there are 6 other floors to go. Therein lies the misunderstanding...

  19. ChmE
    • 2 years ago
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    You have to include all 6 floors. It doesn't say that some weirdo can't ride the elevator up to the top then back down to the first and gets back off.

  20. pathosdebater
    • 2 years ago
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    Exactly... So, 6P5/6^5

  21. lgbasallote
    • 2 years ago
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    ........logical....but doesn't make sense......

  22. HyperChemist
    • 2 years ago
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    right! its all about probability, forget the relativity of the problem

  23. lgbasallote
    • 2 years ago
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    that's actually illegal and unethical in a lot of countries

  24. pathosdebater
    • 2 years ago
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    Not in America!

  25. HyperChemist
    • 2 years ago
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    good answer! lets not get more into politics now...

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