X Y 0 Exercise 5 33 20 Points Total Suppose That X Is The Total Time Between A Customer S Arrival In The Stor 1 (43.72 KiB) Viewed 27 times
$(x,y) = { 0, Exercise 5.33. (20 points total) Suppose that X is the total time between a customer's arrival in the store and departure from the service window, Y is the time spent in line before reaching the window, and the joint probability density function (PDF) of these variables (as was given in Exercise 5.15) is e-, if 0 <y<r<00; elsewhere. with time measured in minutes. a. (8 points) Complete the following expression of the marginal PDF of X. Show all your work. if x > 0; elsewhere. fx(x) = { 1 =
b. (8 points) Complete the following expression of the marginal PDF of Y. Show all your work. sy() = { 01 , if y>0; elsewhere.
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