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QUESTION
f you take the bus each morning and evening for a week, what is your total expected waiting time? (b) What is the variance of your total waiting time?...
(a) If you take the bus each morning and evening for a week, what is your total expected waiting time? (b) What is the variance of your total waiting time? (c) What are the expected value and variance of the dierence between morning and evening waiting times on a given day? (d) What are the expected value and variance of the dierence between total morning waiting time and total evening waiting time for a particular week?
