====== Wnioskowanie Statystyczne - Lista 3. ====== ===== Zadanie 1. ===== $X_1 \sim \Gamma(b_1, p_1)$ $X_2 \sim \Gamma(b_2, p_2)$ $Y = c_1X_1 + c_2X_2$ $M_Y(t) = M_{X_1}(c_1t)M_{X_2}(c_2t) = (1-\frac {c_1t} {b_1})^{-p_1}(1-\frac {c_2t} {b_2})^{-p_2}$ Jeśli $\displaystyle \alpha = \frac{c_1}{b_1} = \frac{c_2}{b_2}$, to $\displaystyle Y \sim \Gamma(\frac 1 {\alpha}, p_1+p_2)$. ===== Zadanie 2. ===== ===== Zadanie 3. ===== ===== Zadanie 4. ===== ===== Zadanie 5. ===== ===== Zadanie 6. ===== ===== Zadanie 7. ===== ===== Zadanie 8. ===== ===== Zadanie 9. ===== ===== Zadanie 10. ===== {{tag>listy_zadan}}