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Pulsified333

  • one year ago

Construct a copy of figure 3.14 in your text, where the first outcome is one of A and B the second outcome in each case is one of a and b. Use the following probabilities instead of those given in your text: Pr[A]=1/3 Pr[B]=2/3 Pr[a|A]=2/5 Pr[b|A]=3/5 Pr[a|B]=1/7 Pr[b|B]=6/7 Find the following missing probabilities: (1) Pr[B]= 2/3 (2) Pr[b]= (3) Pr[b|B]= (4) Pr[B|b]=

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  1. Pulsified333
    • one year ago
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    @satellite73

  2. Pulsified333
    • one year ago
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    @dan815

  3. anonymous
    • one year ago
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    the text would help, kinda hard to know otherwise

  4. Pulsified333
    • one year ago
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    @satellite73 |dw:1444096686685:dw|

  5. Pulsified333
    • one year ago
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    All we need is #4

  6. dan815
    • one year ago
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    what did u do for 3

  7. Pulsified333
    • one year ago
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    3. is 6/7

  8. dan815
    • one year ago
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    |dw:1444098933716:dw|

  9. dan815
    • one year ago
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    |dw:1444098977842:dw|

  10. dan815
    • one year ago
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    |dw:1444099044460:dw|

  11. Pulsified333
    • one year ago
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    but the bottom when you add it becomes greater than 1

  12. dan815
    • one year ago
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    oops i mean 2/3

  13. dan815
    • one year ago
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    actually nvm no this is right

  14. Pulsified333
    • one year ago
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    which is right

  15. dan815
    • one year ago
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    |dw:1444099171515:dw|

  16. dan815
    • one year ago
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    check if that is the right answer

  17. Pulsified333
    • one year ago
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    no

  18. dan815
    • one year ago
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    oh i found a mistake :)

  19. dan815
    • one year ago
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    i think i know the answer hehe

  20. Pulsified333
    • one year ago
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    ??

  21. Pulsified333
    • one year ago
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    do tell my friend

  22. dan815
    • one year ago
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    |dw:1444099561543:dw|

  23. dan815
    • one year ago
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    let me think about that hmm

  24. Pulsified333
    • one year ago
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    okay

  25. dan815
    • one year ago
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    ya okay try it

  26. dan815
    • one year ago
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    is it right?

  27. Pulsified333
    • one year ago
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    hold on still doing calculations

  28. Pulsified333
    • one year ago
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    would it be (12/21)/(81/105)?

  29. dan815
    • one year ago
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    20/27

  30. Pulsified333
    • one year ago
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    so 20/27 ?

  31. Pulsified333
    • one year ago
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    it was right

  32. Pulsified333
    • one year ago
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    :D

  33. dan815
    • one year ago
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    ok great

  34. dan815
    • one year ago
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    what i did it was just think about it like areas

  35. dan815
    • one year ago
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    (the area of B in b)/ area of b

  36. Pulsified333
    • one year ago
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    ah I get it :D

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