The first term in the queue length formula (equation 8.10) is often called the utilization effect. This term is the numerator the utilitzation (u) is raised to the square root power of 2*(1 + the number of servers). The numerator is 1 - the utilization. c is the number of servers.

If u = .5, c = 1, what does the utilization effect term equal? (two decimals in answer)