GATE ME 2014 Set 4 — Question 29

NAT+1 / -0EasyExpectation & MomentsProbabilityEngineering MathematicsReorder Point & Safety StockInventory ControlIndustrial Engineering

Engineering Mathematics → Inventory Control → Expectation & Moments

Last updated 5 September 2026

Question

Demand during lead time with associated probabilities is shown below: Demand 5070758085 Probability 0.15 0.14 0.21 0.20 0.30 Expected demand during lead time is_______

Demand	50	70	75	80	85
Probability	0.15	0.14	0.21	0.20	0.30

E(D) = \sum_{i=1}^{n} D_i \cdot P(D_i)

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E(D) = \sum_{i=1}^{n} D_i \cdot P(D_i)

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