Let Y1 have an exponential distribution with mean and the conditional density of Y2 given Y1 = y1 be f (y2 | y1) = 1/y1, 0 y2 y1, 0, elsewhere. Find E(Y2) and V(Y2), the unconditional mean and variance of Y2.

STAT 110: Notes for Week of 10/25/16 Chapter 21 o This section will focus on interpreting data and inferential statistics (making inferences about a population based on data from a population sample). o The sample proportion probably is not equal to the parameter. Sample proportion: p = (# of successes/n) n = number...