Questions from General Operations Management


Q: An automated car wash called Jet Express outside a large Texas city

An automated car wash called Jet Express outside a large Texas city on the beltway is deciding whether to build and install one dedicated vehicle wash line or have two parallel wash lines. There are n...

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Q: Why are quantity discounts often given by suppliers? How do these

Why are quantity discounts often given by suppliers? How do these affect the customer’s inventory decisions?

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Q: The deli at a Metro Supermarket experiences constant and continuous demand.

The deli at a Metro Supermarket experiences constant and continuous demand. Staffing is a problem for store managers but several of the employees suggested they buy more deli cutting machines and weig...

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Q: Nine observations from a work measurement study using continuous timing are shown

Nine observations from a work measurement study using continuous timing are shown below. Allowances are determined as: personal five percent; fatigue five percent; delay fiver percent. Use the Work...

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Q: Five observations from a work measurement study are shown below. Continuous

Five observations from a work measurement study are shown below. Continuous timing was not used, but the times in minutes for each work element were recorded individually. Assume a total allowance of...

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Q: The manufacturer of gas outdoor grills provides sales data for the last

The manufacturer of gas outdoor grills provides sales data for the last three years as follows: Use the Exponential Smoothing Excel template to develop single exponential smoothing models with ï&...

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Q: 1. Exhibit 19.21 shows the project work activities for

1. Exhibit 19.21 shows the project work activities for designing custom jewelry using computer aided design (CAD). Draw the network diagram, determine the project completion time, critical path(s), ac...

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Q: For the coffee maker sales data in problem 33, use the

For the coffee maker sales data in problem 33, use the Exponential Smoothing Excel template with = 0.2 to compute the exponential smoothing forecasts for February through July.

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Q: Forecasts and actual sales of digital music players at Just Say Music

Forecasts and actual sales of digital music players at Just Say Music are as follows: a. Plot the data and provide insights about the time series. b. What is the forecast for November, using a two-p...

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Q: For the actual sales data at Just Say Music in Problem 36

For the actual sales data at Just Say Music in Problem 36, find the best single exponential smoothing model by evaluating the MSE for from 0.1 to 0.9, in increments of 0.1. How does this model compar...

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