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Slika - Shrani.si

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A. Juriˇ<strong>si</strong>ć in V. Batagelj: Verjetnostni račun in statistika 198<br />

✬<br />

Ploskev, ki jo določa gostota porazdelitve, je ravnina,<br />

ker pa je prostornina pod njo enaka 1,<br />

je oddaljena od ravnine z = 0 za 1/3600.<br />

Prostornina, ki jo iˇsčemo,<br />

se nahaja nad področjem R,<br />

ki je določeno z |X − Y | ≤ 10,<br />

torej je verjetnost srečanja enaka:<br />

✫<br />

P (|X − Y | ≤ 10) = (2 × 5 × 10 + 10√ 2 · 50 √ 2)<br />

3600<br />

= 11<br />

36 .<br />

Pri bolj zapletenih gostotah verjetnosti, moramo dejansko izračunati integral<br />

<br />

F (x, y) = p(x, y) dydx.<br />

Univerza v Ljubljani ▲<br />

❙ ▲<br />

▲<br />

R<br />

● ❙ ▲<br />

▲<br />

☛ ✖<br />

▲<br />

✩<br />

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