.. ..
A150:20??vk?019k?1kp50q50?k??vk?019k?150?kll50d50?k1?l50?kl50?vk?019k?1d50?k ? ?1111(d50?d?d52?51l501.06(1.06)2(1.06)3M50?M70D50l70 l50?1d69)
(1.06)200 1A50:20?v7070p50?v70D ?70D50
²éÉúÃü±í»òÕßÏàÓ¦µÄ»»Ëã±í´øÈë¼ÆËã¼´¿É¡£
12£® Éèij30ËêµÄÈ˹ºÂòÒ»·ÝÊÙÏÕ±£µ¥£¬¸Ã±£µ¥¹æ¶¨£ºÈô(30)ÔÚµÚÒ»¸ö±£µ¥Äê¼Æ»®ËÀÍö£¬ÔòÔÚÆäËÀÍöµÄ±£µ¥Äê¶ÈÄ©¸ø¸¶5000Ôª£¬´Ëºó±£¶îÿÄêÔö¼Ó1000Ôª¡£Çó´ËµÝÔöÖÕÉíÊÙÏÕµÄõ»½É´¿±£·Ñ¡£
¸Ãõ»½»´¿±£·ÑΪ£º4000A30?1000(IA)30?4000ÆäÖÐ
M30R?100030 D30D30A30??vk?075k?1kp30q30?k??vk?075k?130?kll30d30?k1?l30?kl30?vk?075k?1d30?k1d) 76105(1.06) ? ?(IA) 301111(d30?d?d?231332l301.06(1.06)(1.06)M30D30k?1k???(k?1)vk?075p30q30?k??(k?1)vk?075k?130?kll30d30?k1?l30?kl30??(k?1)vk?075k?1d30?k
? ?1123(d30?d?d?231332l301.06(1.06)(1.06)R30D3076d)76105(1.06)²éÉúÃü±í»òÕßÏàÓ¦µÄ»»Ëã±í´øÈë¼ÆËã¼´¿É¡£
13£® ijһÄêÁäÖ§¸¶ÏÂÁб£·Ñ½«»ñµÃÒ»¸önÄêÆÚ´¢ÐîÊÙÏÕ±£µ¥£º
(1)1 000Ôª´¢ÐîÊÙÏÕÇÒËÀÍöʱ·µ»¹õ»½É´¿±£·Ñ£¬Õâ¸ö±£ÏÕµÄõ»½É´¿±£·ÑΪ750Ôª¡£
(2)1 000Ôª´¢ÐîÊÙÏÕ£¬±»±£ÏÕÈËÉú´ænÄêʱ¸ø¸¶±£ÏÕ½ð¶îµÄ2±¶£¬ËÀÍöʱ·µ»¹õ»½É´¿±£·Ñ£¬Õâ¸ö±£ÏÕµÄõ»½É´¿±£·ÑΪ800Ôª¡£
ÈôÏÖÓÐ1 700Ôª´¢ÐîÊÙÏÕ£¬ÎÞ±£·Ñ·µ»¹ÇÒËÀÍöʱÎÞË«±¶±£ÕÏ£¬ËÀÍö¸ø¸¶¾ù·¢ÉúÔÚËÀÍöÄêÄ©£¬ÇóÕâ¸ö±£ÏÕ
.. .. ..
.. ..
µÄõ»½É´¿±£·Ñ¡£
½â£º±£µ¥1)¾«ËãʽΪ1000Ax:n?750Ax:n?1750Ax:n?1000Ax:n?750 ±£µ¥2)¾«ËãʽΪ
1000Ax:n?800Ax:n?1000Ax:n?1800Ax:n?2000Ax:n?800 Çó½âµÃAx:n?7/17,Ax:n?1/34£¬¼´
11700Ax:n?1700A1?1700Ax?750 x:n:n1 11 11 111 1 14£® ÉèÄêÁäΪ30ËêÕß¹ºÂòÒ»ËÀÍöÄêÄ©¸ø¸¶µÄÖÕÉíÊÙÏÕ±£µ¥£¬ÒÀ±£µ¥¹æ¶¨£º±»±£ÏÕÈËÔÚµÚÒ»¸ö±£µ¥Äê¶ÈËÀÍö£¬Ôò¸ø¸¶10 000Ôª£»ÔÚµÚ¶þ¸ö±£µ¥Äê¶ÈËÀÍö£¬Ôò¸ø¸¶9700Ôª£»ÔÚµÚÈý¸ö±£µ¥Äê¶ÈËÀÍö£¬Ôò¸ø¸¶9400Ôª£»Ã¿ÄêµÝ¼õ300Ôª£¬Ö±ÖÁ¼õµ½4000ԪΪֹ£¬ÒÔºó¼´Î¬³Ö´Ë¶¨¶î¡£ÊÔÇóÆäõ»½É´¿±£·Ñ¡£
15. ijÈËÔÚ40ËêͶ±£µÄÖÕÉíËÀÍöÏÕ£¬ÔÚËÀÍöºóÁ¢¼´¸ø¸¶1Ôª±£ÏÕ½ð¡£ÆäÖУ¬¸ø¶¨lx?110?x,0¡Üx¡Ü110¡£ÀûÏ¢Á¦¦Ä=0.05¡£Z±íʾ±£ÏÕÈ˸ø¸¶¶îµÄÏÖÖµ£¬ÔòÃܶÈfx?0.8?µÈÓÚ£¨ £© A. 0.24 B. 0.27 C. 0.33 D. 0.36
Z?v?t?TlnZ lnvfT(t)?tpx?x?t??S?(x?t)?lx?t1??70S(x)lx11/z12??
70lnv70?z7zfZ(z)?fT(g(z))g?(z)??fZ(0.8)?0.36
IA???IA??16. ÒÑÖªÔÚÿһÄêÁäÄêUDD¼ÙÉè³ÉÁ¢£¬±íʾʽ
xxA?( )
A.
i???2?1?i? B.
?2
C. ½â£º
i?i11?? D. ??1?
????d?TT(IA)x?(IA)xE(?T?1?v)?E(Tv)E((1?S)vK?S)??(T?K?S)TK?SAxE(v)E(v) ?E((1?S)v)?E(vS)S?10(1?s)vsds?vds01s?11?d?
.. .. ..
.. ..
17. ÔÚxËêͶ±£µÄÒ»ÄêÆÚÁ½È«±£ÏÕ£¬ÔÚ¸öÌ壨x£©ËÀÍöµÄ±£µ¥Äê¶ÈÄ©¸ø¸¶bÔª£¬Éú´æ±£ÏÕ½ðΪeÔª¡£±£ÏÕÈ˸ø¸¶¶îÏÖÖµ¼ÇΪZ, ÔòVar(Z)=( )
A. pxqxv2?b?e? B. pxqxv2?b?e? C. pxqxv2b2?e2 D. v2b2qx?e2px ½â£º
22????P(Z?bv)?qx,P(Z?ev)?pxP(Z2?b2v2)?qx,P(Z2?e2v2)?pxE(Z)?bvqx?evpxE(Z2)?b2v2qx?e2v2pxVar(Z)?E(Z2)??E(Z)??b2v2qx?e2v2px??bvqx?evpx??v2qxpx(b?e)222
µÚÎåÕ£ºÄê½ðµÄ¾«ËãÏÖÖµ
Á· Ï° Ìâ
1£® ÉèËæ»ú±äÁ¿T£½T(x)µÄ¸ÅÂÊÃܶȺ¯ÊýΪf(t)?0.015?eË㾫ËãÏÖÖµ ax ¡£
?0.015t(t¡Ý0)£¬ÀûϢǿ¶ÈΪ¦Ä£½0.05 ¡£ÊÔ¼Æ
ax????1?vt0?fT(t)dt??2??01?e?0.05t0.015?e?0.015tdt?15.38 0.05£¨1£©?£»£¨2£©¨¡???50¡£ÊÔÇó£º
x 2£®Éè ax?10, ax?7.375, VaraT ¡£
??1??a?Axx??1?10??Ax2??221?2?a?A?x??1?14.75??Axx??1212?VaraT?2(Ax?(Ax))?50?2(2Ax?(Ax)2)
???????0.035???Ax?0.65?2?Ax?0.48375??
3£® ijÈËÏÖÄê50Ë꣬ÒÔ10000Ôª¹ºÂòÓÚ51Ë꿪ʼ¸ø¸¶µÄÖÕÉíÉú´æÄê½ð£¬ÊÔÇóÆäÿÄêËùµÃÄê½ð¶î¡£
.. .. ..
.. ..
4£® ijÈËÏÖÄê23Ë꣬Լ¶¨ÓÚ36ÄêÿÄêÄê³õ½É¸¶2 000Ôª¸øijÈËÊÙ±£ÏÕ¹«Ë¾£¬ÈçÖÐ;ËÀÍö£¬¼´ÐÐÍ£Ö¹£¬Ëù½É¸¶¿î¶îÒ²²»ÍË»¹¡£¶øµ±´ËÈ˻60Ëêʱ£¬ÈËÊÙ±£ÏÕ¹«Ë¾±ã¿ªÊ¼¸ø¸¶µÚÒ»´ÎÄê½ð£¬Ö±ÖÁËÀÍöΪֹ¡£ÊÔÇó´ËÈËÿ´ÎËù»ñµÃµÄÄê½ð¶î¡£ ½â£º2000a23:36?R37|a23?R?ÆäÖÐ
2000a23:3637|a23
a23:36l23?k135k??vkp23??v??vl23?kll23k?0k?0k?023kk3535 ? ?37|1111(l23?l24?l?l?225326l231.06(1.06)(1.06)N23?N59D2337?1l)3558(1.06)a23?a23?a23:37?v3737p23a60?82k82kE23a60k?37
23?kl1 ??vkp23??v23?k?l23l23k?37k?37 ? ??vlk821111(l60?l60?l?l63?62l231.06(1.06)2(1.06)3N60D23?1l105)(1.06)55²éÉúÃü±í»òÕßÏàÓ¦µÄ»»Ëã±í´øÈë¼ÆËã¼´¿É¡£
Ï°Ìâ5½«²Î¿¼¿Î±¾P87Àý5.4.1ÏÖÄê35ËêµÄÈ˹ºÂòÈçÏÂÉú´æÄê½ð£¬ÇÒ¾ùÓÚÿÔ³õ¸ø¸¶£¬Ã¿´Î¸ø¸¶1000Ôª£¬ÉèÄêÀûÂÊi=6%£¬ÇóÏÂÁÐÄê½ðµÄ¾«ËãÏÖÖµ¡£
£¨1£© ÖÕÉíÉú´æÄê½ð¡£
(12)1000*12a35?12000[?(12)a35??(12)]
ÆäÖÐ
d?i?0.0566037741?i12?i(12)?(12)1??1?i?i?0.058410606??12???d(12)?(12)?1???1?d?d?0.05812766712??idi?i(12)?(12)?(12)(12)?1.000281033,?(12)?(12)(12)?0.46811975idid.. .. ..
12