Standard deviation of dispersion of customer service times at drive-up window

In effort to provide more consistent customer service, a manager of a local fast food restaurant would like to know the dispersion of customer service times about their avergae value for the facility's drive-up window. The attached file contains 200 customer service times, all of which were observed during the busiest hour of th ...continues

Compute standard deviation of household incomes of US metropolitan areas

Compute the standard deviation of the average annual household income levels of citizens from selected US metropolitan areas in the file attached. Is it appropriate to apply empirical rules for these data? explain.

Describing data: Summary measures of diameters of rods - Roddco

The diameters of 100 rods produced by Roddco are listed in the file attached. Based on these data, you can be approximately sure that the diameter of a typical rod will be between what two numbers?

Transportation Assignment Network Models: Hardrock Concrete Co

Attached is the chart that corresponds to the question. 1. The Hardrock Concrete Co has plants in three locations and is currently working on 3 major construction projects, each located at a different site. The shipping cost per truckload of concrete, daily plant capacities and daily project requirements are provided in the ...continues

Transportation Assignment Network Models: Assignment method

File attached has the chart that corresponds to the question. Question: In a job shop operation, four jobs may be performed on any of four machines. The hours required for each job on ach machine are presented in the following table. The plant supervisor would like to assign jobs so that total time is minimized. Use the as ...continues

Transportation Assignment Network Models: Hungarian method

In the attached file is the chart that corresponds to the question. Question: Roscoe Davis, chairman of a college’s business department, has decided to apply the Hungarian method in assigning professors to courses next semester. As a criterion for judging who should teach each course. Professor Davis reviews the past two ye ...continues

Transportation Assignment Net Work Models: Quantitative analysis approach

Please see attached chart that corresponds to the question. Question: Hospital Administrator at St. Charles General must appoint head nurses to four newly established depts.: urology, cardiology, orthopedics and obstetrics. In anticipation of this staffing problem, she had hired 4 nurses: Hawkins, Condriac, Bardot and Hooli ...continues

Transportation Network Assignment Models: Calculate the best route

Question: Transworld Moving has been hired to move the office furniture and equipment of Cohen Properties to their new headquarters. What route do you recommend?

Probability: Employee exercising at lunch hour

Suppose that 18% of the employees at a given corporation engage in physical exercise activities during the lunch hour. Moreover, assume that 57% of all employees are male, and 12% of all employees are males who engage in physical exercise activities during the lunch hour. a)if we choose an employee at random from this corpora ...continues

Probability: gauge married women's participation in the workplace

In a study designed to gauge married women's participation in the workplace today, the data provided in the attached file are obtained from a sample of 750 randomly selected married women. Consider a woman selected at random from this sample in aswering the following questions: a)what is the probablity that this randomly sele ...continues