Ejercicios de Estimación

 

@n`roeoefs c` @stehkoeÿl> :.  _` prfg prfgÿ ÿ ul ulk k hu hu`s `str trk k kd`k kd`ktf tfre rek k c` 3== 3== oel` oel`so sofp fpef efss c` t`d` t`d`ve vesf sfrr y s`

`lofltrkrfl 3= c`j`ot `lofltrkrfl c`j`otufsfs. ufsfs. @steh` `d elt`rvkdf elt`rvkdf qu` oflte` oflte`l`, l`, ofl ul of`je of`jeoe`lt` oe`lt` c` ofljeklzk c` =.5=, k dk v`rckc`rk jrkooeÿl c` `d`h`ltfs c`j`otufsfs. l8 3== C`j`otufsfs 8 3= p8 3=/3== 8 =.;= z8 (=.5=) 8 ;.:30

OFLODP_EßL Ofl ul lev` Ofl lev`dd c` oflj ofljek eklz lzk k c` c`dd 5= 5=%, %, pf pfc` c`hf hfss ks`i ks`iur urkr kr qu` qu` dk pr prfp fpfr froe oeÿl ÿl pfgdkoeflkd pfgdko eflkd c` t`d`v t`d`vesfr`s esfr`s c`j`otufsfs c`j`otufsfs `stkrë ofhpr`lceck ofhpr`lceck `ltr` =,=90? y =,;73, `s c`oer, `ltr` ul 9% y ul ;7%.

 

9. _` pdkl`k r`kdezkr ul `stucef c` te`hpfs pkrk `stehkr `d te`hpf h`cef c` ul

trkgknf, `xkotf c`ltrf c` 3 s`iulcfs y ofl ulk prfgkgedeckc c` =.5=, pkrk t`rhelkr ul trkgknf c` hfltkn`. _e dk `xp`re`loek pr`vek suie`r` qu` γ 8 ;: s`i. hec` dk vkrekoeÿl `l `d te`hpf c` hfltkn` `ltr` ul trkgknkcfr y ftrf kd r`kdezkr ulk sfdk fp`rkoeÿl c` hfltkn`, ¶ouëltfs fp`rkrefs akgrë qu` eloduer `l dk hu`strk6 @rrfr Hkx> ϰ 8 3 Lev`d c` ofljeklzk> ; - ∜ 8 =.5= C`svekoeÿl tèpeok> γ 8;: z(=.5=) 8 ;.:30

OFLODP_EßL _` c`g`rë eloduer 33 fp`rkrefs `l dk hu`strk.

 

1. @d c`oklf r`iestrÿ c`geckh`lt` `d pfro`ltkn` c` okdejeokoefl`s C y J ftfrikcks

k dfs `stuceklt`s pfr cfs prfj`sfr`s ulev`rsetkrefs c` hkt`hëteoks. @d prfj`sfr E kdoklzÿ ul ?7%, ofltrk ul 7;% pkrk `d prfj`sfr EE, ofl 7== y ;1= `stuceklt`s, r`sp`otevkh`lt`. @steh` dk cej`r`loek `ltr` dfs pfro`ltkn`s c` okdejeokoefl`s C y J ftfrikcks pfr dfs cfs prfj`sfr`s. Ptedeo` ul lev`d c` ofljeklzk c`d 50% ` elt`rpr`t` dfs r`sudtkcfs. ];8 ?7% 8 =.?7 ]78 7;% 8 =.7; q;8 ; ‟ =.?7 8 =.:1 q78 ; ‟ =.7; 8 =.95 l; 8 7== l7 8 ;1= z(=.50) 8 ;.5:

OFLODP_EßL @st` elt`rvkdf `s gkstklt` klifstf, df oukd suie`r` qu` ];-]7 ak secf `stehkcf c` hkl`rk pr`oesk.

 

5.  _` te`l`l qu` s`d`ooeflkr hu`strks kd`ktfreks elc`p`lce`lt`s c` l;8l78l

fgs`rvkoefl`s c` okck ulk c` cfs pfgdkoefl`s gelfhekd`s, ; y 7. _e s` c`s`k `stehkr dk cej`r`loek `ltr` dfs cfs pkrëh`trfs gelfhekd`s, `xkotk c`ltrf c` =.=0, ofl ulk prfgkgedeckc c` =.51. ¶quå tkl irklc` t`lcrèk qu` s`r l6 Lf s` te`l` eljfrhkoeÿl klt`refr ko`rok c` dfs vkdfr`s ]; y ]7, p`rf s` que`r` `stkr s`iurf c` t`l`r ul lþh`rf kc`oukcf c` fgs`rvkoefl`s `l dk hu`strk. ϰ8 =.;= z(=.51)8 7.??

 

;=. _` que`r` `stucekr dk tksk c` ofhgusteÿl c` cfs prfp`d`lt`s sÿdecfs utedezkcfs

`l dfs sest`hks c` `sokp` c` `h`ri`loek c` k`rfpdklfs. _` skg` qu` dk tksk c` ofhgusteÿl c` dfs cfs prfp`d`lt`s te`l` kprfxehkckh`lt` dk heshk c`svekoeÿl `stëlckr2 `stf `s γ;8 γ7 8 ? oh/s. ¶[uå tkhkûf c` hu`strk c`g` utedezkrs` `l okck pfgdkoeÿl se s` c`s`k qu` `d `rrfr `l dk `stehkoeÿl c` dk cej`r`loek `ltr` dks h`ceks c` dks tksks c` ofhgusteÿl s`k h`lfr qu` 3 oh/s ofl ulk ofljeklzk c`d 55%6

  OFLODP_EßL _` skg` qu` dk tksk c` ofhgusteÿl `s c` 9.311 oh/s