Question: The bivariate random variable (P,Q) represents the weekly price, in dollars, and the quantity, in number of kegs, of an India Pale Ale beer, HopMeister,
The bivariate random variable (P,Q) represents the
weekly price, in dollars, and the quantity, in number of
kegs, of an India Pale Ale beer, HopMeister, sold in the
Pacific Northwest market. The moment generating function
associated with this bivariate random variable is given by ![]()

(a) What is the expected weekly price of HopMeister?
(b) What is the expected weekly quantity sold of HopMeister?
(c) What is the expected weekly dollar sales of HopMeister?
M(PQ)(t) = exp(p't+.5t't), where
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