16.12.2012 Views

Statistika (za biologe, 2.dio) - Pmf

Statistika (za biologe, 2.dio) - Pmf

Statistika (za biologe, 2.dio) - Pmf

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Očekivanje i varijanca neprekidnih razdioba<br />

Matematičko očekivanje neprekidne sl. varijable X definiramo kao<br />

EX =<br />

� ∞<br />

−∞<br />

tfX(t)dt.<br />

Ako sl. varijabla X prima vrijednosti samo u konačnom intervalu [a, b], ovaj<br />

integral je lakˇse izračunati jer tada<br />

EX =<br />

� b<br />

a<br />

tfX(t)dt.

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!