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Slika - Shrani.si

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A. Juriˇ<strong>si</strong>ć in V. Batagelj: Verjetnostni račun in statistika 523<br />

✬<br />

Napaka 2. vrste (β):<br />

Vzorčna vrednost lahko pade v območje sprejemanja,<br />

čeprav je domnevna vrednost parametra napačna.<br />

V primeru, ki ga obravnavamo,<br />

naj bo prava vrednost deleˇza na populaciji π = 0, 40.<br />

Tedaj je porazdelitev vzorčnih deleˇzev<br />

<br />

π(1 − π)<br />

N π,<br />

= N(0, 40; 0, 0163)<br />

n<br />

✫<br />

Univerza v Ljubljani ▲<br />

❙ ▲<br />

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● ❙ ▲<br />

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☛ ✖<br />

▲<br />

✩<br />

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