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Business Case Development and Financial Analysis Questions

Skills and practices for building persuasive business cases and performing financial analysis to justify investments and prioritization. Topics include enumerating and estimating cost categories such as implementation, licensing, development, infrastructure, deployment and ongoing support; quantifying tangible benefits such as cost savings, revenue uplift, productivity improvements and efficiency gains; and accounting for intangible benefits such as risk reduction, flexibility and employee satisfaction. Financial techniques include total cost of ownership, simple return on investment, payback period, net present value using discounted cash flows, internal rate of return, lifecycle cost analysis and build versus buy comparisons. Candidates should be able to construct cash flow timelines, separate capital and operating expenses, perform sensitivity and scenario analysis, estimate ranges and confidence, model procurement and vendor tradeoffs, and state assumptions clearly. Practical communication skills include tailoring the financial narrative and level of detail for finance leaders, procurement partners, technical stakeholders and executive sponsors, showing break even and sensitivity charts, defining success metrics and timelines, and describing how to track and report realized outcomes after implementation.

MediumTechnical
0 practiced
A pilot deployment produced a 6% uplift in conversion but the confidence interval barely excludes zero. CFO asks if you should roll out. How would you assess whether to scale, delay for more data, or stop? Describe decision criteria, value of information, and possible staged rollout strategies.
MediumSystem Design
0 practiced
Design a reproducible financial model (code + data) for TCO that a cross-functional team can audit and update. Which technologies, file formats, versioning practices, and documentation would you use to ensure transparency and repeatability?
MediumTechnical
0 practiced
Implement a Monte Carlo simulation in Python to estimate the distribution of 5-year NPV for a project where annual benefits are Normally distributed with mean $200k and std $50k, and annual costs are fixed at $80k. Use a 10% discount rate and 10,000 simulation runs. Describe output metrics you'd report in the business case.
HardTechnical
0 practiced
Provide a short plan describing how to run a sensitivity-based vendor procurement analysis that includes SLAs tied to payments. How would you model performance-based rebates or penalties in a financial forecast and stress-test worst-case vendor performance?
MediumTechnical
0 practiced
Write a short Python snippet to bootstrap the confidence interval for percentage revenue uplift estimated from a sample of users. Input: list of per-user revenue differences (treated - control). Output: 95% bootstrap CI for the mean uplift.

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