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probability

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    - : .

    :.

    . : ....:A,B,C A : *A .A

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    - :

    A

    P(A)=

    : 0P(A)1 P(A)+P(A*)=1

    .1

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    AA*

    B

    B*

    AB

    ABAB* A*B

    A*B*

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    -20,3050

    -14 12

    A B

    ABAB* A*B

    A*B*

    :A ,A* B ,B*

    12

    18

    6

    14

    BB*

    A121830

    A*14620

    262450

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    A BABAB* A*B

    A*B*12

    18

    6

    14

    BB*

    A121830

    A*14620262450

    A BABAB* A*B

    A*B*0.24

    0.36

    0.12

    0.28

    BB*

    A0.240.360.6

    A*0.280.120.4

    0.520.481

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    A BABAB* A*B

    A*B*0.24

    0.36

    0.12

    0.28

    BB*

    A0.240.360.6

    A*0.280.120.4

    0.520.481

    BB*

    AP(AB)P(AB*)P(A)A*P(A*B)P(A*B*)P(A*)

    P(B)P(B*)1

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    A BABAB* A*B

    A*B* BB*AP(AB)P(AB*)P(A)

    A*P(A*B)P(A*B*)P(A*)P(B)P(B*)1

    P(AB)=P(A)+P(B)-P(AB)P(AB)=1-P(A*B*)P(B)=P(AB)+P(A*B)

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    A BABAB* A*B

    A*B*12

    18

    6

    14

    BB* A1218

    A*146

    2624

    . /// ?

    (P=(12/26

    0.24

    0.28

    0.52

    0.36

    0.12

    0.48

    0.6

    20

    30

    0.4

    50

    1

    =0.24/0.52=0.46

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    A BABAB* A*B

    A*B*12

    18

    6

    14

    BB* A1218

    A*146

    2624

    ?

    (P =(0.12/0.4

    0.24

    0.28

    0.52

    0.36

    0.12

    0.48

    0.6

    20

    30

    0.4

    501

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    -

    A BABAB* A*B

    A*B* BB*AP(AB)P(AB*)P(A)

    A*P(A*B)P(A*B*)P(A*)P(B)P(B*)1

    B)P(A

    P(B)P(B)P(AB)=P(AB)P(AB)+P(A*B)=1

    P(AB)= ... ........

    ...._________

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    P(AB)=P(A)B)P(A

    P(B)

    P(AB)=P(A)P(B)

    A,B A B

    = P(A)

    BA P(AB)=P(A)P(B)

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    AA*

    BBB* B*

    P(A)P(A*)

    P(BA)P(B*A)P(BA*)P(B*A*)

    P(AB)P(AB*)P(A*B)P(A*B*)

    .*A:A *B:B

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    5 .0.4 . .

    P0.03456

    0.03456

    0.03456

    0.03456

    0.03456

    0.03456

    0.03456

    0.03456

    0.03456

    0.03456

    0.4

    0.40.4

    0.40.4

    0.40.4

    0.40.4

    0.4 0.4

    0.4 0.4

    0.40.4

    0.4 0.4

    0.40.4

    0.4

    0.6

    0.6

    0.60.6

    0.60.6

    0.60.60.6

    0.60.60.6

    0.6

    0.6

    0.6

    0.6

    0.6

    0.6

    0.6

    0.6

    0.6

    0.6

    0.6

    0.6

    0.6

    0.6

    0.60.6

    0.6

    0.6:

    100.03456=0.3456

    P

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    P

    0.03456

    0.03456

    0.03456

    0.03456

    0.03456

    0.03456

    0.03456

    0.03456

    0.03456

    0.03456

    0.4

    0.40.4

    0.40.4

    0.40.4

    0.40.4

    0.4 0.4

    0.4 0.4

    0.40.4

    0.4 0.4

    0.40.4

    0.4

    0.6

    0.6

    0.60.6

    0.60.6

    0.60.60.6

    0.60.60.6

    0.6

    0.6

    0.6

    0.6

    0.6

    0.6

    0.6

    0.6

    0.6

    0.6

    0.6

    0.6

    0.6

    0.6

    0.60.6

    0.6

    0.6

    : 100.03456=100.420.63

    P

    =0.4=2

    =0.6=3

    10=????? 2 =10 10

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    ? ?n=

    ? ?P=

    ?K=

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    17