| Course | BUSI 3010 Operations Management |
|---|---|
| Week | Week 5 |
| Paper type | Discussion replies |
| Length | About 490 words, 3 pages |
| Format | Discussion reply, APA 7 citations |
| School | Walden University |
| Program | BS in Business Administration |
| Updated | October 2026 |
Free sample paper for BUSI 3010 Week 5
Week 5 Discussion: Testing a Classmate's Calculation
Rechecking Two Classmates' Numbers: An Imaging Room's 92 Percent "Utilization" That Is Really Efficiency, and a Car Wash Throughput That Added Station Times Instead of Finding the Slowest One
Response to Grace
Grace, you calculated that the imaging room at your clinic runs at 92 percent utilization, because it completed 23 exams a day against a capacity of 25. I think the arithmetic is right but the base is not, and the base changes what the number means.
Your post says the room is open ten hours and that each exam takes 20 minutes, which gives a design capacity of 600 ÷ 20 = 30 exams a day. You also mention that the first hour is lost to warm-up and calibration and that the room is cleaned for about 40 minutes over the day. Taking those 100 minutes out leaves 500 minutes, or 25 exams. So 25 is effective capacity, not design capacity.
Recomputed with the standard definitions (Stevenson, 2021), utilization is 23 ÷ 30 = 76.7 percent, and efficiency is 23 ÷ 25 = 92 percent. Your 92 percent is efficiency. The difference matters for your recommendation to add evening hours. Efficiency of 92 percent says the room already gets most of what it can from its effective time, but utilization of 76.7 percent says a large share of design capacity goes to warm-up and cleaning. Shortening warm-up might add exams without adding hours. How long does calibration take on days when the tech starts it before the first patient arrives?
Response to Luis
Luis, you estimated that your car wash line handles one car every 13 minutes, because the four stations take 3, 4, 2.5 and 3.5 minutes. I think 13 minutes is how long one car spends in the line, not how often a car leaves it.
When cars move through stations one after another, a car can leave only as fast as the slowest station lets it. Here that is the 4-minute station, so once the line is full, one car leaves about every 4 minutes, or 15 cars an hour, not about 4.6. The 13 minutes still matters: it is the time each customer spends being washed. Little (1961) showed that the number of items in a system equals the rate at which they flow through it times the time each one spends inside, so with 15 cars an hour and 13 minutes each, about 3.25 cars are in the line at once, which fits four stations that are not all busy at every moment.
This changes your recommendation too. Adding a fifth station would not speed the line unless it splits the 4-minute step; speeding the 2.5-minute dryer would add nothing at all. Goldratt and Cox (2004) made that the central lesson of their account of a struggling plant. Which station takes 4 minutes, and is it the one with the longest line in front of it on Saturday mornings?
References
Goldratt, E. M., & Cox, J. (2004). The goal: A process of ongoing improvement (3rd rev. ed.). North River Press.
Little, J. D. C. (1961). A proof for the queuing formula: L = λW. Operations Research, 9(3), 383-387. https://doi.org/10.1287/opre.9.3.383
Stevenson, W. J. (2021). Operations management (14th ed.). McGraw Hill.
BUSI 3010 Week 5 instructions, in plain terms
By the fifth week, discussion threads contain numbers, and replies are expected to work on them. Choose one computed claim in a classmate's post and restate it so both of you agree on what is being discussed. Then do one of three things: recompute it from the inputs the classmate gave, question the base it was measured against, or name an assumption it depends on. Show your arithmetic. A strong reply then explains what the correction means for the classmate's conclusion or recommendation, because a corrected number that changes nothing has limited value. Cite a reading where it supports the method. Finish by asking for a fact only the classmate's own operation can supply. Two replies of a few paragraphs each are typical.
How the BUSI 3010 Week 5 example is put together
The reply to Grace restates her figure of 23 exams against a capacity of 25. Using her own post, it computes design capacity as 30 exams from ten open hours and 20-minute exams, and shows that 25 is effective capacity after warm-up and cleaning. It then gives utilization of 76.7 percent and efficiency of 92 percent, citing Stevenson, and explains that shortening warm-up could add exams without evening hours. The reply to Luis restates his 13-minute figure and shows it is the time a car spends in the line, while the slowest station sets output at one car every 4 minutes, or 15 an hour. It uses Little to show about 3.25 cars are in the line at once, cites Goldratt and Cox and asks which station takes 4 minutes.
Where the marks sit in the BUSI 3010 Week 5 rubric
Replies are graded on whether they do real work on a number. Restating the classmate's figure accurately earns trust and makes the critique precise. The recomputation must be shown and must use the classmate's own inputs, so the correction cannot be dismissed. Graders give the most credit when the reply connects the correction to the classmate's recommendation, showing why the right base or method leads to a different decision. Tone matters through precision: a correction framed around the number, not the person, reads as collaboration. Citations should support the definitions or principles used. Replies that only praise, or that question a figure without offering an alternative calculation, earn little. A closing question that asks for a fact from the classmate's operation keeps the thread productive.
BUSI 3010 Week 5 help: mistakes that cost marks
Read the classmate's post for every number and its inputs. Pick the one whose base or method looks doubtful, and redo it yourself before writing. Check whether utilization was divided by effective rather than design capacity, whether station times were added instead of compared, and whether units match. Restate the figure, show your version, then explain what changes. Replies lose marks for vague doubt ("I'm not sure that's right"), for corrections without arithmetic and for ignoring what the number was used for. Others introduce new data the classmate never mentioned. Keep the tone neutral and specific. If you would like model replies to the calculations in your own discussion thread, share the posts and figures you want to test.
Get a BUSI 3010 Week 5 example written to your instructions
Send the Week 5 prompt, the discussion rubric, and the classmate posts being answered, and BUSI 3010 replies written to those specific claims return inside 24-48 hours, first sample free. A reply answers a post that exists. Paste the thread and the response is aimed at those specific claims rather than at an exchange written to look plausible.
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- BUSI 3010 Week 7: EOQ and Reorder Point Analysis
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BUSI 3010 Week 5 questions, answered
Where can I find a free BUSI 3010 Week 5 sample paper?
Both calculation-check replies, with every recomputed figure shown, can be read here at no cost.
What error does the first BUSI 3010 Week 5 reply find?
A classmate called 23 of 25 exams utilization, but 25 was effective capacity, so 92 percent is efficiency and utilization is 76.7 percent.
What error does the second reply find?
A classmate added station times to get one car every 13 minutes, when output is set by the slowest 4-minute station.
How does Little's law help in the second reply?
It shows that 15 cars an hour spending 13 minutes each means about 3.25 cars are in the line at once.
Why explain how the correction changes the recommendation?
Because a corrected figure matters only if it changes a decision, such as adding hours or adding a station.