NivaarExam PrepOfficial exam papers ↗

04-BS-2: December 2014

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

  1. Question 1 Normal Distribution — Cement Block Weight
  2. Question 2 Poisson Process — Road Cracks
  3. Question 3 Hypergeometric and Binomial Distributions
  4. Question 4 Continuous Random Variable — Custom pdf
  5. Question 5 Confidence Intervals and Hypothesis Tests — Brinell Hardness
  6. Question 6 Two-Proportion Test and Contingency Table χ² Test
  7. Question 7 F-Test for Variances, Then Two-Sample t-Test
  8. Question 8 Correlation and Simple Linear Regression

Start with Question 1 →

National Examinations, December 2014 — 04-BS-2, 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 as a complete study resource).

Reference texts: Walpole, Myers, Myers & Ye, Probability & Statistics for Engineers and Scientists, 9th ed.