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Slika - Shrani.si

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A. Juriˇ<strong>si</strong>ć in V. Batagelj: Verjetnostni račun in statistika 367<br />

✬<br />

Poglejmo, kolikˇsna je ta verjetnost, če bi tvorili vzorce velikosti n = 2500<br />

enot:<br />

<br />

<br />

P (p > 0, 55) = P<br />

0, 55 − 0, 5<br />

Z > <br />

0,5(1−0,5)<br />

2500<br />

✫<br />

= P (Z > 5) = 0, 5 − Φ(5) = 0, 5 − 0, 5 = 0.<br />

V 10-krat večjih vzorcih kot prej ne moremo pričakovati več kot 55% ˇzensk.<br />

Univerza v Ljubljani ▲<br />

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✩<br />

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