Homework $1-$ ISE $4333$

Problem $1$: Car Check Balanced Process

Consider a fast initial car inspection process with the following steps:

$$ Initial check$-$in: this step is done by $4$ clerks with identical training and average service time of $10$

minutes.

$$ External examination: there are $8$ specialists and the average examination takes $20$ minutes. Per

patient.

$$ Mechanical examination: conducted by $12$ mechanics and on average it takes $30$ minutes