Determine P0, P1, P4, L, Lq, W, Wq, and U.

3. A single-server queuing system with an infinite calling population and a first-come, first-served queue discipline has the following arrival and service rates:

λ = 12.1 customers per hour

µ = 14.5 customers per hour

Determine P₀, P₁, P₄, L, L_q, W, W_q, and U.