Statistika (za biologe, 2.dio) - Pmf
Statistika (za biologe, 2.dio) - Pmf
Statistika (za biologe, 2.dio) - Pmf
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Vrijednosti funkcije Φ su nam od velike koristi <strong>za</strong> sve normalne sl. varijable.<br />
Naime <strong>za</strong> sve X ∼ N(µ, σ 2 ) i a < b nalazimo<br />
a − µ<br />
P (a ≤ X ≤ b) = P (<br />
σ<br />
≤ X − µ<br />
σ<br />
≤ b − µ<br />
σ ),<br />
a <strong>za</strong> standardiziranu sl. varijablu Z = (X − µ)/σ, to je jednako<br />
a − µ<br />
P (<br />
σ<br />
≤ Z ≤ b − µ<br />
σ ).
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