Carry backlog cohorts forward with FIFO evidence
See this course’s project requirements
A checked fictional four-day service workload model with arrival counts, work-content demand, available capacity, backlog aging, two allocation scenarios and a bounded service-promise recommendation.
Keep your working files in your own notebook or software. Save a private description, checklist, and work link in My Proof.
What to include
- Save queue balance with IDs/cohort state andno assignment-as-completion; include the original-case decision evidence and a separate changed-case result.
- Save daily/period demand ledger with time-assumption limits; include the original-case decision evidence and a separate changed-case result.
- Save capacity model with skills/exclusions/whole-job assumptions; include the original-case decision evidence and a separate changed-case result.
- Save four-day cohort queue with actual modeled served totals; include the original-case decision evidence and a separate changed-case result.
- Save scenario comparison with bounded service-promise recommendation; include the original-case decision evidence and a separate changed-case result.
- Save service workload/capacity/FIFO/scenarios/uncertainty project; include the original-case decision evidence and a separate changed-case result.
Review and revise
Use these criteria to check your work and choose what to improve.
- The final packet uses the supplied task-specific constraints and all six records agree.
- Every result can be traced to an identifier, input, calculation or stated decision rule.
- Changed-case practice updates dependent records and keeps holds or uncertainty visible.
- The packet states the learner role, authority boundary and specific next verification needed before real work.
Want more background?
The idea in everyday life
Original fictional workplace practice; paper or a local document is sufficient. The rules and records below are supplied for this exercise, not asserted universal workplace policy. Cedarbridge opening 4 before Day1, arrivals D1=20, D2=12, D3=25, D4=10; capacity 18/day. FIFO, whole jobs. Serve old jobs before today’s new jobs. No jobs canceled or lost.
Daily closing work becomes next day opening, and FIFO preserves older cohort identities; same total backlog does not explain its age.
Carry backlog cohorts forward with FIFO evidence — worked practice
Daily closing work becomes next day opening, and FIFO preserves older cohort identities; same total backlog does not explain its age.
Cedarbridge opening 4 before Day1, arrivals D1=20, D2=12, D3=25, D4=10; capacity 18/day. FIFO, whole jobs. Serve old jobs before today’s new jobs. No jobs canceled or lost. Use paper or a local document. Preserve the original case and make a separate changed-case record.
1. Step 1
Calculate Day1 and Day2 available/served/closing.
You should see: D124/18/6; D218/18/0.
Keep the stated identifier, unit and policy alongside this result so another reader can check it.
2. Step 2
Calculate Day3 and Day4 including opening carry.
You should see: D325/18/7; D417/17/0.
Keep the stated identifier, unit and policy alongside this result so another reader can check it.
3. Step 3
Trace older remaining cohorts.
You should see: D1 remaining 6 cleared D2; D3 remaining 7 cleared D4.
Keep the stated identifier, unit and policy alongside this result so another reader can check it.
4. Step 4
Save four-day cohort queue with actual modeled served totals.
You should see: 18+18+18+17=71 served; Day4 one job capacity unused because demand 17.
Keep the stated identifier, unit and policy alongside this result so another reader can check it.
What to finish
Save four-day cohort queue with actual modeled served totals; include the original-case decision evidence and a separate changed-case result.
Watch for this
Manufacturing completions up to capacity when fewer jobs exist or losing old job cohorts behind a single total.
How can I tell I understand it?
Using the supplied identifiers, I can save four-day cohort queue with actual modeled served totals. My changed-case record names the revised condition and explains which dependent decision it changes.
Quick knowledge check
Answer all 3 questions. Get at least 2 right and the lesson completes automatically.
You’ll get an explanation for each answer. Signed in? Your results save to your account.
Pass the check. We’ll save the progress.
Answer all 3 questions above and get at least 2 right. You can review the explanations and try again.
Go to the knowledge checkTools, templates, and lesson sources
Tools and templates
Tools open in a new tab so you can keep your place here.
Sources and further reading
Explore the references behind this lesson.
Source & access notes · checked 2026-10-01
Occupational task and responsibility context; the exercise policies and quantities are original fictional inputs. Page title and relevant content inspected; no interactive controls or credential process tested.
Access: Readable official page retrieved with the web reader on 2026-10-01.
Reuse: All teaching cases, data, worked steps and questions are original. Link and limited paraphrase for context; no copied source exercises.
Source & access notes · checked 2026-10-01
Occupational task and responsibility context; the exercise policies and quantities are original fictional inputs. Page title and relevant content inspected; no interactive controls or credential process tested.
Access: Readable official page retrieved with the web reader on 2026-10-01.
Reuse: All teaching cases, data, worked steps and questions are original. Link and limited paraphrase for context; no copied source exercises.
Source & access notes · checked 2026-10-01
Public agency or educational context; no source exercises are copied and no simulated threshold is presented as an official rule. Page title and relevant content inspected; no interactive controls or credential process tested.
Access: Readable official page retrieved with the web reader on 2026-10-01.
Reuse: All teaching cases, data, worked steps and questions are original. Link and limited paraphrase for context; no copied source exercises.
Report a problem with this lesson
Tell us what went wrong. Please leave out personal information and private project contents.