.上海世博会已于2010年4月30日开幕,各国游客都被吸引到了这个地方,据统计到5

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  • .(1)50400,2520,36.·······················3分

    (2)留图···································5分

    (3)

    -1

    -1

    4

    5

    -6

    0

    -1

    1

    -4

    -5

    6

    0

    4

    -4

    16

    20

    -24

    0

    5

    -5

    20

    25

    -30

    0

    -6

    6

    -24

    -30

    36

    0

    0

    0

    0

    0

    0

    0

    总共有25中结果,其中每种结果出现的可能性相同,

    的值为负数的有8种,为正数的也有8种.······················8分

    (小宝得门票)=

    (小贝得门票)=

    ∴P(小宝得门票)= P(小贝得门票)

    ∴游戏对双方公平 ············································10分