Thus, based on past experi the delay between when the Office requests a new shipment of Public Information Flyers and when it actually receives that shipment can vary. distribution with mean eqience, the Office of Environmental Studies estimates that the daily demand for Public Information Flyers is $30$ while the delay follows a normal

Stock of Public Information Flyers falls to $540$ flyers.

Answer the following questions based on the information provided.

What is the $z-$value? Answer $=$ Do NOT round your answer.

What is the service level? Answer $=$ type your answer... $.$ Do NOT round your answer.

What is the chance $($in $\%)$ that the new shipment will arrive after the Office of Environmental Studies runs out completely and must disappoint a visiting member of the public? Answer $=\%.$ Round$/$keep your ansbrer to two decimal places.