找回密码
 立即注册
查看: 80|回复: 0

??????A??

[复制链接]

0

主题

0

回帖

56

积分

管理员

积分
56
发表于 2019-9-13 23:46:11 | 显示全部楼层 |阅读模式
?????????A??

?2011-2012????????????

?????????A????

? ????? 22703216

????????09? ???????? ?????

???

???

???????

1?B2?C3?D4?B5?A ?????1?

??????????????? ??1? ?????????? ? ?2? ????????????3? ??????

?4? ?????????

?5? ????????????? ?6? ????????????? ?7? ????????

?8? ????????????? ?9?

????????????

..6?

?2?

??????????????????????????????????????????????????????????????????2? ??????1??????????

?2????????????? ?3?????

?4??????????? 2?????1????????

?2?????????

?3?????????????????

??4????????????2? ??3?

?????????1????????????????

?2?????????????????????????3????????

3?

-

?1???4?

?????????1?????

?2???????

?3??????????????? ?4??????????

3?

4?

????????????????????????????????????? ????????????????????????????????????????????????????

3?

?????????????????????????????????????????????????????????????????

3?

5?

?????????????????????????

2?

??????1

????????????????? ?2???????

?3??????????

4?

???????? 1. ?1?

p?

340?240?50

900

?70%

?5%????????????????????4?????????????? ??p?Zp?Z???????????72.99%?67.01%???2?

x?

?

1?70?3?200?5?340?7?240?9?50

900

?5

??5%???????????????????????????? ??

??x?Z?0.025n,?x?Z??0.025n??

???????????4.8,5.2??3?

H0:??4;H1:??4

?

??10?Z0.05

??????H0,????????????????????????.

?2???4?

2.

H0:??????????????????

H1:??????????????????2

???f0?fe)2

??

f3.78??20.05?1?

e

????????H0,???????????????????.

..10?

3.

H0:????????????

H1:???????????

2

???f0?fe)2

??2.01??2

f0.05?1?

e

????????H0,?????????????.

..10?

4.

(1)A=1422708.6?1=1422708.6

B?

220158.07

10?22015.807C?A

B

?64.62????????3?

(2)R2?SSRSST?86.60%????????3?

(3)r0.93????????2?(4)y?

?363.6891?1.420211x

?????????????1???????????1.420211????????????4?5????????P???0.05??????????????????????????????2?

?????

1????????????????????3?

2??????????????..7?

?3???4? ?4???4?

?

????????????

????? ???? ?? ???

1. ???????????? ??????????????????????????????????

2. ??????????????N????????????n????????N(N-1)(N-2)???N-N?1??

3. ??????????????????????????????????? 4. ???????????????????????

5. ?????????????????? ????????? 6. ?????????????????????????????????????????????

7. ????????????????????????????????????????

8. ????????????????????????????????????????????4???????????????????1/4?

9. ???????????960?1040?????95%????????1000????????40.82????????20.41?

10. ??????????????????????????????????????????????? ?????

1. ????????????????????? 2. ????????????????????????

3. ????????????????????????????????????? 4. ?????????????????????????1/3???????????9?????

5. ????????????????????? 6. ?????????????????

7. ??????????????????????????????????????????

8. ???????????????????? ?? ?????

1. ????????????????????????????????50%??????????????C?

A. 2? B. 3? C. 4? D. 5?

2. ?????????????????????????????????????????????D?

A. ???? B. ?????? C. ???? D. ????

3. ???????????????????????????????B?A. ???? B. ???? C. ???? D. ??? 4. ???????D?

A. ?????????? B. ??????????? C. ??????????? D. ?????????

5. ????????A?

A. ?????B. ?????C. ?????D. ????? 6. ????????????C?

????????0??????? ????????1??????? ????????0.5???????????????0.25??????? 7. ?????????????????????????B?

A. ????B. ?????C. ?????D. ?????

8. ?400??????19%??????????????????20%????????95.45%????????????????40%?A. 4% B. 4.13% C. 9.18% D. 8.26%

9. ??5%??????????????60%????????80%????????????????????????B?

A. ???? B. ????C. ?? D. ????

10. ?????????????????????25?????100?????????????????3??????????B?

A. ?????B. ?????C. ?????? D. ?? ?? ?????

????????????ABCDE?

A. ?????????B. ???????????????

C. ????????D. ????????????? E. ????????? 2. ?????????AC?

A. ????????B. ???????? C. ??????????????? D ???????????????

E. ????????????????? 3. ???????????????ABE?

A. ?????????????? B. ???? C. ???? D. ??? E. ????

4. ?????????????BCD?

A. ???????????????? B. ??????????

C. ??????? D. ???????????E. ?????????? 5. ???????ACD?

A. ?????????? B. ?????????? C. ?????????? D. ????????? E. ????????? ?? ???? 1.???? 2.????

3.?????????? 4.???? ?? ???

1.??????3000?????????60???????????????????? ?1???0.95??????????????????????

?2???0.9545??????????1000???????????

2.???????????????200??????8???????????????

x?

?xff

?

122300

?2038.33 60

2

???x?

?

x?xf

?

f

?

1626833.33

?164.66

60?

27113.89

?21.2660

?2

n

164.662

60

x?t?x?X?x?t?x

2038.33?1.96?21.26~2038.33?1.96?21.262038.33?41.67~2038.33?41.671996.66~2080.00

3.???????????????????????5000???????????????????93%?95%?96%???????????????3%??99.73%?????????????

P=93? p?1-p?=0.93?1-0.93?=0.0651

n?

t2p(1?p)

?2

32?0.06510.5859

???66(??2

0.0090.03 ???95.45%?????????????????????????

???????????????????

x?

?nx

ii?1

k

i

?2?

nni?i2

n

??

120?230?80?14038800

??194

120?80200120?60?80?4010400

??52

120?80200?

52

?0.26?0.51200

?x?

?i2n

x??x?x??x?194?2?0.51~194?2?0.51

192.98~195.02

?95.45?????????,???????????192.98??195.02???.

5.?????????????????5????????????????????????160??????????????62?????95.45%?????????????????

???????x?

?x

i?1

r

i

?2??x?

??X?X?

R

r

?160????

2

??2?

??x?x?

r

2

?62????

?2?R?r?

???

r?R?1?

62?288?24?

???????2.5833?0.9197?1.54

24?288?1?

????

x??x?x??x?160?2?1.54~160?2?1.54

156.92~163.04

?95.45??????????,??????????????156.92???163.04????.

6.???????????580??????100?????????????20??????????????550??610????????????????????600????????

t2?2n?2

?xt?

1002

?t?1.3416??????????82????????????550??610?????82??

?????????60??????82?????????580??????????????

1???????600??????600610?10???????60??????

6

11

?82?????????????600???????82??13.7??

66

=

580?55022

20?580?550?.8?1.3416

20?

t2?1002

?????????A

??

3?????????????

4????????????????

5??????????????????????

2011-2012????????????

????????A?? ?

????? 22703216 ????? ???10??????

??? ????? ??? ? ??

??????? ????2???10??

?1?????????????????????????????????? ?? ?

? A?????? B?????

C????? D?????

2???????????????????????? ?

A????? B?????

C????? D

???????

3???????????????????????? ?

A????? B?????

C????? D?????

4????? ? ?

?A????????? B?????????

? C???????????????

?D????????????????

??5?????????????????????????????????

? ?

A?????? B??????

C?????? D??????

?????

????6???30??

?

??1??????????????????????

2??????????????????

?1???10?

?2???10?

??????????????????14??????????10???48??

1?????9000?????????10%????????????????

??95%????????

?1???????4?????4????????

?2???????????3???????????????????? ?3???????????3???????????????????4???5%?????????????????????????????????????Z0.05=1.64?Z0.025=1.96?

2?????50???????????????????????36??????10??????28%?????14???8????????57%??????????????????????????????

?3???10?

0.050.05

?4???10?

?4??????????????x????y?????????12???????????????????????

?

???

?1??A?B?C???2????????????????????????? ?3?????????????????????4????????????? ??????????5??????????? ?a=0.05? ??

??? ? ? ?? ? ?

?5???10?

?????

????12???12??

??????????????????????????????????????????????????????????20??????????? ??:?1???????3000???2????????10????3??????????????????????4??????15???????????? 1?????????????????

2??????????????????5????2??????????

?6???10?

?7???10??8???10?

???? ?????? ????????

?9???10?

?10???10?


???????A??????????
?????http://www.850500.com/news/19165.html
?????,??!
您需要登录后才可以回帖 登录 | 立即注册

本版积分规则

Archiver|手机版|小黑屋|Discuz! X

GMT+8, 2026-3-12 20:20 , Processed in 0.376731 second(s), 19 queries .

Powered by Discuz! X3.5

© 2001-2025 Discuz! Team.

快速回复 返回顶部 返回列表