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Slika - Shrani.si

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A. Juriˇ<strong>si</strong>ć in V. Batagelj: Verjetnostni račun in statistika 473<br />

✬<br />

(g) Za območje zavrnitve določeno v točki (f) določi moč testa,<br />

če je v resnici p = 0, 4.<br />

Moč testa je 1 − β. Verjetnost β izračunamo enako kot v točkah (c) in (d).<br />

Velja Y ∼ B(20; 0,4) in<br />

✫<br />

β = P(y ≤ 8) =<br />

Moč testa znaˇsa 0,4044.<br />

8<br />

<br />

20<br />

0,4<br />

i<br />

i 0,6 i = 0,5956 = 59,56%.<br />

i=0<br />

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