- For each of the following mgfs find the following: the pdf of X (i) (ii) the mean of X (iii) the variance of X

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**Problem 7:** For each of the following moment-generating functions (mgfs), find the following:

(i) The probability density function (pdf) of \( X \).

(ii) The mean of \( X \).

(iii) The variance of \( X \).
Transcribed Image Text:**Problem 7:** For each of the following moment-generating functions (mgfs), find the following: (i) The probability density function (pdf) of \( X \). (ii) The mean of \( X \). (iii) The variance of \( X \).
where
- a) \( M(t) = \frac{1}{1 - 3t} , \, t < \frac{1}{3} \)
- b) \( M(t) = \frac{3}{3 - t} , \, t < 3 \)
Transcribed Image Text:where - a) \( M(t) = \frac{1}{1 - 3t} , \, t < \frac{1}{3} \) - b) \( M(t) = \frac{3}{3 - t} , \, t < 3 \)
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