شѧũѧԺƷγ̸1

һ⣺ÿո3֣30֣

1ΪȻ¼=      .

2¼Ķ¼Ϊ=      .

3װ53򣬴ȡ2ȡ2ǰĸΪ           .

4 =        .

5ӣʾһѿʾ                       .

6ɳͳϵ֪ijһ4·꣨¼ĸΪη磨ʾĸΪȹηĸΪ            =       .

7Ϊ, ΪĸܶȺ=          .

8׼ֲ̬ĸܶȺΪ               .

ѡ⣺ÿС3֣15֣

1κ¼,    .

A    B    C

21öӲ3Σǡ2ϵĸΪ    .

A    B    C

301ֲʺΪ=    .

A    B    C

4ӾȷֲܶȺΪ    .

A    B    C

5֪Ӷֲ2.41.44=    .

A     B    C 

ж⣺ÿС2֣16֣ȷĴ̡Ĵ򡰡

1ظУ¼ΣΪ¼Ƶ.                         

2ABΪ¼P(A+B)=P(A)+P(B).                         

3ķֲ.     

4 .  (    )                                                

5Ϊķ.  (    )

6.                                                    

7ɣPoissonֲE.    

8׼ֲ̬ĸܶȺΪ,.   (    )

ġ⣺39֣

1.       һƷ2006Ʒȡ3ǡ1ǷƷĸ.10֣

2.       ƷһƷƷ3֣һƷʷֱΪ0.630.35ƷĺϸƷ.10֣

3.       һӵķѿΪ90%ȡ10ֺǡ8ѿĸ.10֣

4.       ֪,

123 . (9)