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HELP!!!!

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

  • 10 months ago
  • 10 months ago

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  1. HELP!!!!
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    I really have no idea... HELP!!!!

    • 10 months ago
  2. RaphaelFilgueiras
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    the odd is probability?

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

    • 10 months ago
  4. HELP!!!!
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    I don't know

    • 10 months ago
  5. HELP!!!!
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    odds does not mean odd in this question

    • 10 months ago
  6. HELP!!!!
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    odds mean by probability

    • 10 months ago
  7. swissgirl
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    well lets count 10-99

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

    • 10 months ago
  9. RaphaelFilgueiras
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    |dw:1372307123036:dw|

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

    • 10 months ago
  11. swissgirl
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    S there are 50 possible choices altogether

    • 10 months ago
  12. RaphaelFilgueiras
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    |dw:1372307186299:dw|

    • 10 months ago
  13. RaphaelFilgueiras
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    now the probability is n/n1

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

    • 10 months ago
  15. swissgirl
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    hmmm I got a 1/5

    • 10 months ago
  16. RaphaelFilgueiras
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    @HELP!!!! get it?

    • 10 months ago
  17. swissgirl
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    How did you get n_1=40?

    • 10 months ago
  18. HELP!!!!
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    im kind of confused with the n1 and n

    • 10 months ago
  19. RaphaelFilgueiras
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    sorry 50

    • 10 months ago
  20. RaphaelFilgueiras
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    1/5

    • 10 months ago
  21. HELP!!!!
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    uhhhh

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

    • 10 months ago
  23. HELP!!!!
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    can you guys guess how that happened?

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

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

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

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

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

    • 10 months ago
  29. RaphaelFilgueiras
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    i think the book is wrong

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

    • 10 months ago
  31. zzr0ck3r
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    oh 1/5 is 1:4

    • 10 months ago
  32. swissgirl
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    How so?

    • 10 months ago
  33. zzr0ck3r
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    favorable outcome : unfavorable outcume

    • 10 months ago
  34. zzr0ck3r
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    I think, maybe not....

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

    • 10 months ago
  36. RaphaelFilgueiras
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    make some sense

    • 10 months ago
  37. HELP!!!!
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    IM LOST

    • 10 months ago
  38. HELP!!!!
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    but I get it at the same time

    • 10 months ago
  39. swissgirl
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    hahahaah oh yaaaaaaaaa?

    • 10 months ago
  40. RaphaelFilgueiras
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    four cons and 1 odd

    • 10 months ago
  41. swissgirl
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    Ohhhh I seee now I get it

    • 10 months ago
  42. zzr0ck3r
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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

    • 10 months ago
  43. swissgirl
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    Yup I see that

    • 10 months ago
  44. RaphaelFilgueiras
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    weird way to put the answer

    • 10 months ago
  45. HELP!!!!
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    I SI

    • 10 months ago
  46. swissgirl
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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!!!!

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

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

    • 10 months ago
  49. HELP!!!!
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    wow ...

    • 10 months ago
  50. HELP!!!!
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    Well thanks guys 4 the HELP!!!!

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

    • 10 months ago
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