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Tsu-2011 - ieeetsu

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P( AB) P( A) P( B) 0,6 0,7 0,42<br />

Sesabamisad, SemTxveviTi sididis ganawilebis mwkrivi iqneba:<br />

x 0 1 2<br />

i<br />

p 0.12 0.46 0.42<br />

i<br />

magaliTi 4. auditoriaSi myofi 15 studentidan 5 vaJia. vipovoT albaToba<br />

imisa, rom SemTxveviT SerCeul 6 students Soris 3 vaJia?<br />

amoxsna. Tu mivusadagebT hipergeometriul ganawilebas, gasagebia,<br />

rom: N 15, M 5, n 6 da k 3. amitom saZiebeli albaToba iqneba:<br />

3 63 3 3<br />

C10C<br />

1510 C10C<br />

5<br />

120 10<br />

P(15;5;6;3) 0.239 .<br />

6 6<br />

C15 C15<br />

5005<br />

magaliTi 5. saqonlis partiaSi defeqtur nawarmTa ricxvi Rebulobs<br />

mniSvneloba 0-s albaTobiT – 0.3; mniSvneloba 1-s albaTobiT – 0.4;<br />

mniSvneloba 2-s albaTobiT – 0.2 da mniSvneloba 3-s albaTobiT – 0.1 anu<br />

-s ganawilebis mwkrivs aqvs saxe:<br />

x 0 1 2 3<br />

i<br />

p 0.3 0.4 0.2 0.1<br />

i<br />

gamovTvaloT -s ganawilebis funqcia da avagoT misi grafiki.<br />

Tu x 0 , maSin F( x) P( x) P( ) 0 ;<br />

Tu 0x<br />

1, maSin F( x) P( x) P( 0) 0.3 ;<br />

Tu 1x<br />

2, maSin F( x) P( x) P{( 0) ( 1)}<br />

<br />

P( 0) P( 1) 0.3 0.4 0.7 ;<br />

Tu 2 x 3, maSin F( x) P( x) P{( 0) ( 1) ( 2)} <br />

P( 0) P( 1) P( 2) 0.3 0.4 0.2 0.9 ;<br />

da bolos, Tu x 3, maSin F( x) P( x) P( ) 1.<br />

Sesabamisad, ganawilebis funqciis grafiks eqneba Semdegi saxe:<br />

F(x)<br />

1.0<br />

0.9<br />

0.7<br />

0.3<br />

0 1 2 3 х<br />

39

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