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The ponchatrain bridge is a 16 mile toll bridge that crossesLake Ponchatrain. Currently, there are 7 toll booths, each staffed by an employee. Since Hurricane Katrina, the port Authority has been considering replacing the employeeswith machines. Many factors must be considered because the employees are unionized. However, one of the port Authority's concerns is the effect that replacing the employees with machines will have on the times that drivers spend in the system. Customers arrive to any one toll booth at a rate of 10 per minute. In the exact change laneswith employees, the service timeis essentially constant at 5 seconds for each driver. With machines, the average service time would still be 5 seconds, but it would be exponential rather than constant, because it takes time for the coins to rattle in the machine.
Contrast the two systems for a single lane.
Limitation of Field Study: a. Such studies are scientifically inferior to laboratory and field experiments. b. There is lack of precision in the measurement of variable
use the simplex method to solve the LP problems: Max Z= 107x1+x2+2x3 subject to 14x1+x2-6x3+3x4=7 16x1+x2-6x3 3x1-x2-x3 x1,x2,x3,x4>=0
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In problem four, the proportion of the time that the employee will be busy is a. 60 % b. 50 % c. 13 % d. none of the above.
Laboratory Versus Field Experiments: Marketing experiments can be conducted in a laboratory or in the field. In laboratory experiments test subjects. Usually consumers are broug
technological breakthrough has brought a radical changes in HRM
Options in designing simulation models include all except a. Repeating-versus non-repeating random numbers. b. Most versus all relevant variables. c. One versus several r
Advantages of Field Study: a. They are close to real and they cannot be criticized on the group that they are remote from real settings or are artificial. Field studies are more
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discuss that technological breakthrough has brought a radical changes in hrm.
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