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Pulsified333

  • one year ago

Assume that n = 13, and p = 3/9. Find the probability of at least 3 successes and at least 3 failures.

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  1. Pulsified333
    • one year ago
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    @Musicdude

  2. anonymous
    • one year ago
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    ok

  3. Pulsified333
    • one year ago
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    I've tried two different methods but neither worked

  4. anonymous
    • one year ago
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    ok that is a binomial probability within a binomial probability i think. i need to think for this

  5. anonymous
    • one year ago
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    hold up i might be wrong

  6. Pulsified333
    • one year ago
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    ok

  7. anonymous
    • one year ago
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    ok its binomial probability with parameters

  8. anonymous
    • one year ago
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    have you seen this yet? or heard of it?

  9. Pulsified333
    • one year ago
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    I dont think so

  10. anonymous
    • one year ago
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    ok its a hard concept so let me see how i can explain it

  11. anonymous
    • one year ago
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    wow im stumped... i cant explain it but do you have a ti-84 or higher?

  12. anonymous
    • one year ago
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    i can show you haw to get the answer

  13. Pulsified333
    • one year ago
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    um I don't because the professor doesn't allow calculators

  14. anonymous
    • one year ago
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    O.O

  15. anonymous
    • one year ago
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    omg

  16. anonymous
    • one year ago
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    hes evil

  17. Pulsified333
    • one year ago
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    imagine the test

  18. anonymous
    • one year ago
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    im in stat 3 and we use computers

  19. anonymous
    • one year ago
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    but we code our own calculations

  20. anonymous
    • one year ago
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    ok thats tricky to do without a calculator

  21. anonymous
    • one year ago
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    and i really dont have a pencil because im on my way home on the bus with my phone

  22. anonymous
    • one year ago
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    nor paper

  23. Pulsified333
    • one year ago
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    it's okay

  24. anonymous
    • one year ago
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    sorry dude ask @ganeshie8 or @satellite73

  25. Pulsified333
    • one year ago
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    I got the answer

  26. anonymous
    • one year ago
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    ok cool how?

  27. Pulsified333
    • one year ago
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    :D

  28. anonymous
    • one year ago
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    i just want to see

  29. ganeshie8
    • one year ago
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    I don't see how you can possibly do it with out using calculator http://www.wolframalpha.com/input/?i=%5Csum%5Climits_%7Bk%3D3%7D%5E%7B10%7D+%28%2813+choose+k%29*%283%2F9%29%5Ek+*+%286%2F9%29%5E%2813-k%29%29

  30. anonymous
    • one year ago
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    lol same

  31. Pulsified333
    • one year ago
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    basically do the Bernoulli trials for each one from 3-13 for both and then multiple them together to get .8611

  32. anonymous
    • one year ago
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    it would be 2 separate probabilities

  33. Pulsified333
    • one year ago
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    yeah then multiply them together

  34. anonymous
    • one year ago
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    i think it would be two different answers because it is 2 different events

  35. anonymous
    • one year ago
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    because both cant exist together

  36. Pulsified333
    • one year ago
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    No because it says 3 success "and" 3 failures. Which in Finite math means multiply

  37. anonymous
    • one year ago
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    but then where are the 8 trails go? if there aren't success not faliure

  38. anonymous
    • one year ago
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    thats the thing

  39. anonymous
    • one year ago
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    thats whats tricky because it creates a parameter

  40. anonymous
    • one year ago
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    i know the answer but its really complex to get to without a calculator

  41. anonymous
    • one year ago
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    is you did use the Bernoulli trials you would use 3-10 because you have to account for the "at least 3 faliures"

  42. anonymous
    • one year ago
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    you there?

  43. Pulsified333
    • one year ago
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    yeah

  44. anonymous
    • one year ago
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    im guessing it would be around .86 just because i know

  45. anonymous
    • one year ago
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    and i used a calculator

  46. Pulsified333
    • one year ago
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    yeah

  47. anonymous
    • one year ago
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    is that around what you got??

  48. Pulsified333
    • one year ago
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    yeah i got .8611

  49. anonymous
    • one year ago
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    yeah thats it

  50. anonymous
    • one year ago
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    did you use a calculator??

  51. anonymous
    • one year ago
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    or long math??

  52. Pulsified333
    • one year ago
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    yeah calculator

  53. anonymous
    • one year ago
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    ok cool

  54. Pulsified333
    • one year ago
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    on the test he said to leave it as the setup to find the answer as the answer

  55. anonymous
    • one year ago
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    ok thats cool

  56. anonymous
    • one year ago
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    so do you get it??

  57. Pulsified333
    • one year ago
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    yeah

  58. anonymous
    • one year ago
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    alright dude goodnight then

  59. Pulsified333
    • one year ago
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    night

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