Saved Help Save & Exit Subi MenCuts is a hair salon $($their slogan: "Your hair doesn't always have to look super, sometimes 'meh' is enough"$).$ Besides an area for waiting, only one person can be getting their hair cut at once. No one leaves without getting their hair cut. The system is like this: Entrance $+$ Wait $-$ Haircut $+$ Exit Customers arrive and move through the system at the rate of $7$ per hour and stay an average of $0\mathrm{.}5$ hours $($including all process steps$)$ What is the average number of steady state customers in MehCuts? Go to at least three decimal places for intermediate steps $(5012\mathrm{.}1786$ would be founded as $12\mathrm{.}179)$ and one decimal place for your final answer $($so $12\mathrm{.}1793$ would be rounded as $12\mathrm{.}2).$ Average number of customers