Breann can handle about fifteen customers per hour at her one-person comic book store. The customer arrival rate averages about eight customers per hour. Breann is interested in knowing the operating characteristics of her single-channel, single-phase queuing system. Do not round intermediate calculations. Round your answers to three decimal places.

P=.533

P0=.467

Ls= 1.143customer(s)

Lq = .609customer(s)

Ws = .142hours

Wq = .076hours

How would Breann's queuing system operating characteristics change if she added another cashier and increased her service rate to thirty customers per hour? Do not round intermediate calculations. Round your answers to three decimal places.

P = .267

P0 =??

Ls = ??customer(s)

Lq = ??customer(s)

Ws = ??hours

Wq = ??hours