A and C mall is a busy centre for residents in East Legon and its sourrounding community. Assume that 2 customers arrive every 12 minutes and 3 customers are served every 15 minutes and that currently, there is only one cashier. (i) Determine the average waiting time in minutes before service begins. AN(1MARK) (ii). Advice the management the proportion of the time that a customer has to wait. AN(4MARKS)

/in /by

A and C mall is a busy centre for residents in East Legon and its
sourrounding community. Assume that 2 customers arrive every 12
minutes and 3 customers are served every 15 minutes and that
currently, there is only one cashier.

(i) Determine the average waiting time in minutes before service
begins. AN(1MARK)

(ii). Advice the management the proportion of the time that a
customer has to wait.  AN(4MARKS)

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