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04-BS-2: Undated paper

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 Normal Distribution of Parcel Weight
  2. Question 2 Binomial, Normal and Poisson Approximations
  3. Question 3 Poisson Traffic Jams and Hypergeometric Snow-blowers
  4. Question 4 Probability Distribution of Random-Guess Score
  5. Question 5 Estimation and Hypothesis Testing — Young's Modulus
  6. Question 6 Large-Sample Tests — Tire Weight and Water-Quality Proportion
  7. Question 7 Two-Sample F-test and t-test — Brick Compressive Strength
  8. Question 8 Correlation and Simple Linear Regression — Advertising vs. Sales

Start with Question 1 →

National Examinations May 2019 (course code 04-IE-2 / 04-BS-2, shared statistics paper) — Probability and Statistics, 2 hours, closed book except one hand-written information sheet and an approved calculator. Any 5 of 8 questions constitute a complete paper; all 8 are solved below.

Reference texts: Walpole, Myers, Myers & Ye, Probability & Statistics for Engineers and Scientists (Pearson) — used throughout for distribution theory, estimation and hypothesis-testing formulas.