A hotel tracks their customers' complaints weekly:

This exercise contains only parts $a,b,$ and $c.$

a$)$ The type of control chart that is best to monitor this process is

b$)$ The control chart limits for this process are $($assume that the historical complaints rate is unknown$)$:

$UC{L}_c=$ complaints per week $(round$ your response $to$ two decimal places$).$

$LC{L}_c=,$ complaints per week $($round your response to two decimal places and if your answer is negative, enter this value as $0).$

c$)$ According to the control limits$,$ the process has been