hours and a standard deviation of $2$ hours. Answer the following questions, assuming that Gubser uses one welder to complete all jobsi

a$.$ What is the mean arrival rate in jobs per hour? Round your answer to four decimal places.

$$ jobs per hour

b$.$ What is the mean service rate in jobs per hour? Round your answer to four decimal places.

$$ jobs per hour

c$.$ What is the average number of jobs waiting for service? Round your answer to three decimal places.

$$

$"$d$.$ What is the average time a job waits before the welder can begin working on it$?$ Round your answer to one decimal place.

$q,$ Mours

e$.$ What is the average number of hours between when a job is received and when it is completed? Round your answer to one decimal place.

$$ hours

F$.$ What percentage of the time is Gubser's welder busy? Round your answer to the nearest whole number.

$\%$ of the time the welder is busy.