One of the two teller machines handles withdrawals only while the other handles deposits only in a bank. The service time of both the machines follows exponential distribution with mean service time 3 minutes. The depositors arrive in the bank at the rate of 16 per hour and withdrawers arrive at the rate of 14 per hour in Poisson fashion. Find the average waiting withdrawers in the queue. If each machine can handle both the jobs of deposits and withdrawals, then what will be the average waiting time in queue for a customer ? times of depositors and

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.