_______ is the least costly mode of transportation for moving product.

a.Trucking

b.Air freight

c.Railroad

d.Waterway

A limousine service at a local airport expects to have 4.4 requests per hour for limousine service. The average service time is 30 minutes. How many limousines will be needed if customer wait time is close to but no longer than 10 minutes?

a.6

b.5

c.4

d.3

e.2

rom a managerial perspective what is the key when considering system service capacity?

a.To staff at the minimum level to satisfy arrival patterns

b.To provide a balance between level of service and cost.

c.To minimize the cost of waiting

d.To always have capacity slightly less than demand.

e.To staff at a level determined by the customers