A water utility company provides drinking water to residents and businesses in a city of one million inhabitants, as well as wastewater treatment services to the city council. Which processes are likely to be core processes of this company?$$a$)$ Bill$-$to$-$cash$$b$)$ Procure$-$to$-$pay$$c$)$ Issue$-$to$-$resolution$$d$)$ Infrastructure inspection$27)$ In a process$-$oriented organization, who is directly accountable for the poor performance of a process?$$a$)$ The process participants$$b$)$ The executive management team$$c$)$ The process owner$$d$)$ The process analyst$28)$ A quality engineer wants to compare pistons from two suppliers. The engineer measures the lengths of a random sample of $100$ pistons from each of the suppliers $($A and B$).$ A box plot of the results is found below. Which of the following statements is NOT correct?$$a$)$ There are no statistical differences between suppliers.$$b$)$ There are no practical differences between suppliers.$$c$)$ Supplier A would be a better supplier.$$d$)$ Both Supplier A and B exhibit a normal distribution.