Segundo Trabajo de Estadistica

 

Ckcrblblj >>. Ni cstlhnr ins vcetns (\) mc ue nrtèbuij ce aueblòe mc ijs prcbljs (P) sc usò uen rcbtn mc hèelhjs bunmrnmjs fnsnmj ce uen hucstrn mc = mntjs. Rl ins vcetns jfscrvnmns aucrje >4, 0, 1, >= y sè ins vcetns cstlhnmns rcspcbtlvns sje >4.0, 0.6, 3.1, >2.=, ºquì pjrbcetnkc mc in vnrlnezn mc ins vcetns cs cxpilbnmn pjr in rcbtn mc rcgrcslòe: Vp. 6. Ce ue cstumlj mc in rcinblòe cetrc legrcsjs hcesunics y gnstjs mc cmubnblòe mc ins anhlilns, uen hucstrn prjpjrbljen ue bjcalblcetc mc mctcrhlenblòe mci 64, y mcsvlnbljecs cstîemnr rcspcbtlvns mc $>4 y 7$. Rcgûe cstc cstumlj. Rjiublòe; n). ºCe buîetj sc cstlhn ijs gnstjs pjr cmubnblòe ce uen anhliln buyj legrcsj hcesuni cs mc $ 244: ]cechjs ijs mntjs  

 x l ;Legrcsj hcesuni mc ins anhlilns.

 y l ;Gnstjs mc cmubnblòe mc ins anhlilns.  x ½

 8 =64

 y½  8 >64 R x 8 >4 R y  8 7 6

r 8 144 >44

U

U

 8 >1, e8>44

>2144∖( >44 )( 1 )( >1 )

 ζ 8

3644 ∖(>44 ) ( 1 )6

  8 6,34

Rl; ξ 8 y½ ∖ ζ x½ U

U

ξ 8>1 ∖(6,34 )( 1 ) 8 >,44 U

 

Alenihcetc

 y l8>,44 + 6,34 x l  U

Grnalbj >; Vcbtn mc hèelhjs bunmrnmjs mc prjhcmlj mc vcetns hcesunics y eûhcrj mc chpicnmjs.

   )    l    \    (   s   c    i   n   u   s   e    c   h   s   n    t   e   c   v   c    m  .   j   r    T

 y l8>,44 + 6,34 x l  U

Eûhc Eû hcrj rj mc ch ic icnm nmjs js P buîetj sc cstlhne ins vcetns pnrn uen tlcemn mc 0  ºCe chpicnmjs:

 

Rl;  x l80, cetjebcs;  y l8>,44 + 6,34 ( 0 ) U

 y l86>, cetjebcs, mlrchjs quc ci prcblj lebrchcetn bje nuhcetj mc 64 pngjs U

hîs. Rl;  x l8264, cetjebcs;  y l804> U

f. º^uì pjrbcetnkc mc ins vnrlnezns mc ins vcetns cs cxpilbnmn pjr in vnrlnflilmnm mci eûhcrj mc chpicnmjs:  

@niinemj ci bjcalblcetc mc bjrrcinblòe ilecni; r 8

  ∞ x  y ∖e x½  ½ y ∛ ∞ x ∖e x½ ∛ ∞  y ∖e ½ y l

6

Eûhcrj mc chpicnmjs (Pl)

Trjhcmlj mc vcetns hcesunics

6

6

6

l

l

Chpicnmjs

l

P \ l l

Pl6

 \l6

>2144

3644

27744

(\l)

∞ tjtni

144

>144

e8>44,  x½ 81 , ½  y 8>1 Cetjebcs; r 8

 

>2144 ∖>44 ( 1 )( >1 )

∛ 3644∖>44 ( 1 )6 ∛ 27744∖>44 ( >1 )6

r 84,7,27%? ejs lemlbn quc; ci =,11% mc ins vnrlnbljecs cxlstcetcs ce ci

prjhcmlj mc vcetns hcesunics, sc cxpilbne pjr jtrns vnrlnfics ej lebiulmns ce ci hjmcij, hns ej pjr ci eûhcrj mc chpicnmjs.

b. ºBuîetjs chpicnmjs tlcec in tlcemn buyn vcetn prjhcmlj sc cstlhn ce >>44 mòinrcs:

 

Rl scsnfc scsnfc qu qucc ; y l8>,44 + 6,34 x l   U

Cetjebcs;  y l8>>44 U

>>44 8 >,44 + 6,34 x l

 Tjr ij tnetj ; x l8 =2.- Rl T(N)83/0, T(F)82/= y T(N/F)86/2, bnibuinr   T  L   ; F

( )

Rjiublòe; Rl;  T

(  )

(  )

 N  T ( N ∬ F )  N 8 ? Cetjebcs;  T ( N ∬ F )8 T ( F ) × T F F  T ( F )

Vcchpinznemj ijs vnijrcs; 2

 6

>

=

2

6

 T ( N ∬ F )8 × 8

Rl;  T ( N )8 T ( N ∬ F )+ T ( N ∬ F L ) Vcchpinznemj; 3 0

>

>

6

0

 L  8 + T ( N ∬ F L ) ? Cetj Cetjeb ebcs cs T ( N ∬ F )8

Rl ; T ( F ) 8>∖ T ( F ) ? Cetj Cetjeb ebcs cs T ( F )8  L 

 L 

Alenihcetc; >

 T

 N  L 

 T ( N ∬ F

)

 L 

8

F

( )  VT]N  VT] N ; T

 L 

 T ( F

( )  N

 L 

F

8

) > 6

0

>

> =

6

 8 8

> =