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HELP!!!!

  • 2 years ago

A computer randomly picks a two digit number greater than 49. Find the odds that the number picked is a multiple of 5.

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  1. HELP!!!!
    • 2 years ago
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    I really have no idea... HELP!!!!

  2. RaphaelFilgueiras
    • 2 years ago
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    the odd is probability?

  3. swissgirl
    • 2 years ago
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    How many 2 digit numbers are there?

  4. HELP!!!!
    • 2 years ago
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    I don't know

  5. HELP!!!!
    • 2 years ago
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    odds does not mean odd in this question

  6. HELP!!!!
    • 2 years ago
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    odds mean by probability

  7. swissgirl
    • 2 years ago
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    well lets count 10-99

  8. swissgirl
    • 2 years ago
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    Ok there are 90 2 digit numbers

  9. RaphaelFilgueiras
    • 2 years ago
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    |dw:1372307123036:dw|

  10. swissgirl
    • 2 years ago
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    And that number has to be great than 49

  11. swissgirl
    • 2 years ago
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    S there are 50 possible choices altogether

  12. RaphaelFilgueiras
    • 2 years ago
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    |dw:1372307186299:dw|

  13. RaphaelFilgueiras
    • 2 years ago
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    now the probability is n/n1

  14. HELP!!!!
    • 2 years ago
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    my answer book says 1:4 but I dont understand

  15. swissgirl
    • 2 years ago
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    hmmm I got a 1/5

  16. RaphaelFilgueiras
    • 2 years ago
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    @HELP!!!! get it?

  17. swissgirl
    • 2 years ago
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    How did you get n_1=40?

  18. HELP!!!!
    • 2 years ago
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    im kind of confused with the n1 and n

  19. RaphaelFilgueiras
    • 2 years ago
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    sorry 50

  20. RaphaelFilgueiras
    • 2 years ago
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    1/5

  21. HELP!!!!
    • 2 years ago
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    uhhhh

  22. HELP!!!!
    • 2 years ago
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    my book says 1:4 can anyone explain how or why?

  23. HELP!!!!
    • 2 years ago
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    can you guys guess how that happened?

  24. RaphaelFilgueiras
    • 2 years ago
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    i htink the rigth ans is 1/5if odd means probability

  25. zzr0ck3r
    • 2 years ago
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    hmm I would have guessed 1/5, but it must have something to do with starting on 50

  26. swissgirl
    • 2 years ago
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    But it can be 50 since the number is greater than 49

  27. zzr0ck3r
    • 2 years ago
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    right, I still don't see how that makes it 1 to 4

  28. swissgirl
    • 2 years ago
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    umm are u sure the answer is 1:4?

  29. RaphaelFilgueiras
    • 2 years ago
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    i think the book is wrong

  30. HELP!!!!
    • 2 years ago
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    well my work book is ment to trick people somehow

  31. zzr0ck3r
    • 2 years ago
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    oh 1/5 is 1:4

  32. swissgirl
    • 2 years ago
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    How so?

  33. zzr0ck3r
    • 2 years ago
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    favorable outcome : unfavorable outcume

  34. zzr0ck3r
    • 2 years ago
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    I think, maybe not....

  35. zzr0ck3r
    • 2 years ago
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    1 to 4 ratio means put in 1 for every 4 so you have put in 1/5

  36. RaphaelFilgueiras
    • 2 years ago
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    make some sense

  37. HELP!!!!
    • 2 years ago
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    IM LOST

  38. HELP!!!!
    • 2 years ago
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    but I get it at the same time

  39. swissgirl
    • 2 years ago
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    hahahaah oh yaaaaaaaaa?

  40. RaphaelFilgueiras
    • 2 years ago
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    four cons and 1 odd

  41. swissgirl
    • 2 years ago
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    Ohhhh I seee now I get it

  42. zzr0ck3r
    • 2 years ago
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    imagine a 1:4 ratio of some liquid and water for every 4 gallons of water you put in one gallon of some liquid if you do this once, you have put in 1/5 of the whole

  43. swissgirl
    • 2 years ago
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    Yup I see that

  44. RaphaelFilgueiras
    • 2 years ago
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    weird way to put the answer

  45. HELP!!!!
    • 2 years ago
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    I SI

  46. swissgirl
    • 2 years ago
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    Ok so basically the probability that you will get a multiple of 5 is a 1/5 meaning that for every 5 picks one out of the 5 picks will be a multiple of 5. In other words 1 pick will be a multiple of 5 while the other 4 will not. Do you follow @HELP!!!!

  47. kirbykirby
    • 2 years ago
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    lol i had a huge discussion about odds and ratios yesterday

  48. swissgirl
    • 2 years ago
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    Its weird that the answer is in a ratio. I dont see the point of that.

  49. HELP!!!!
    • 2 years ago
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    wow ...

  50. HELP!!!!
    • 2 years ago
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    Well thanks guys 4 the HELP!!!!

  51. HELP!!!!
    • 2 years ago
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    its seems like everyone wants to talk about it alittle bit more

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