In a single server system, the server operates with $60\%$ utilization. The coefficient of variation for the service process is $0\mathrm{.}5$ and the coefficient of variation of the

arrival process is $1\mathrm{.}5.$ The average processing time is $3$ minutes. The average waiting time a customer spends in line is

minutes. $($Round off your

answer to the FIRST decimal point$)$

$($Difficulty Level $-$ Hard$)$

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