Engineering Economy 7th Edition by Leland Blank ,Anthony Tarquin

تمرين 7

An officer of the state lottery commission sampled lottery ticket purchasers over a 1-week period at one location. The amounts distributed back to the purchasers and the associated probabilities for 5000 tickets are as follows:
a) Plot the cumulative distribution of winnings.
b) Calculate the expected value of the distribution of dollars per ticket.
c) If tickets cost $2, what is the expected long- term income to the state per ticket, based upon this sample