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Demand Uncertainty
Inside this lesson
- Compute lead-time-demand standard deviation as sigma_L = sigma_d x sqrt(L).
- Explain why variability scales with sqrt(L) rather than with L.
- Show that a longer lead time raises the buffer needed to hit a service level.
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Educational content only. This course explains inventory and working-capital control concepts and the math behind them; it is not financial, accounting, investment, or professional certification advice, makes no recommendations, and predicts no cost, cash, or business outcomes. All figures are illustrative synthetic teaching examples. Consult a qualified professional before making financial or business decisions.