System Availability. The status of a system is represented by an alternating renewal process X(t), where the mean sojourn time in a working state 1 is μ1 and the mean sojourn time in a non-working...

System Availability. The status of a system is represented by an alternating renewal process X(t), where the mean sojourn time in a working state 1 is μ1 and the mean sojourn time in a non-working state 0 is μ0. The system availability is measured by the portion of time it is working, which is