Max operates TechTrend, a digital marketing firm specializing in creating tailored advertising campaigns. Clients submit their campaign requests through TechTrend's website, and a marketing specialist crafts the personalized campaign as efficiently as possible. Max has five specialists, who handle all of the campaign designs. On average, a new campaign request is received once every $4\mathrm{.}8$ hours. Each request is handled by one specialist, and on average, it takes $19\mathrm{.}2$ hours for a specialist to complete a campaign. What is the average waiting time for a campaign to be started by a specialist $($assuming a regular amount of variability, i$.$e$.,$ CV $=1$ for both arrival and service times$)?$