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Slika - Shrani.si

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A. Juriˇ<strong>si</strong>ć in V. Batagelj: Verjetnostni račun in statistika 130<br />

✬<br />

✫<br />

. . . Pogojna verjetnost<br />

Poglejmo, kolikˇsna je verjetnost, da bo slučajno izbrana oseba moˇski pri<br />

pogoju, da je zaposlena.<br />

P (Z) = 700<br />

900<br />

P (M/Z) =<br />

P (M ∩ Z)<br />

P (Z)<br />

ali neposredno iz kontingenčne tabele<br />

, P (M ∩ Z) = 460<br />

900<br />

= 460 · 900<br />

900 · 700<br />

P (M/Z) = 460<br />

700 .<br />

= 460<br />

700<br />

Univerza v Ljubljani ▲<br />

❙ ▲<br />

▲<br />

● ❙ ▲<br />

▲<br />

☛ ✖<br />

▲<br />

✩<br />

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