What are the pdf, the mean, and the variance of X if the moment-generating function of X is given by the following? (a) M(t) = 1 1 3t , t < 1/3. (b) M(t) = 3 3 t , t < 3.

STP 231 lecture covering 1.3 I.) Sample vs. Population, Descriptive vs. Inferential statistics A.) Population: Collection of all the individuals who are in consideration for the study. Denoted by the variable N. B.) Sample: Part of the population that is sampled and the experiment is ran on them. Denoted by the...