Math Problem Statement
A software company estimates that 10% of software orders will be canceled due to unexpected technical challenges. They can deliver up to 1000 software licenses on time for their next round of orders. How many total orders can the company accept to ensure that there is at least a 95% chance that all accepted orders will be delivered on time? (10 marks)
Solution
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Math Problem Analysis
Mathematical Concepts
Probability
Binomial Distribution
Normal Approximation
Formulas
X ~ Binomial(n, 0.9)
Mean (μ) = n * 0.9
Standard deviation (σ) = sqrt(n * 0.9 * 0.1)
Normal approximation: P(X ≤ 1000) ≈ P(Z ≤ (1000 - μ) / σ) ≥ 0.95
Quadratic equation formula: ax^2 + bx + c = 0
Theorems
Normal Approximation to the Binomial Distribution
Quadratic Formula
Suitable Grade Level
Undergraduate
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