{
  "schema": "ml-prep/item@1",
  "item": {
    "id": "harvard-stat110-f2011-sp5-continuous-q1",
    "area": "mathematics",
    "topic": "probability",
    "origin": "external",
    "title": "Lognormal transformation by the CDF method",
    "skills": [
      "continuous-random-variables",
      "transformations"
    ],
    "priority": "supplementary",
    "difficulty": "medium",
    "estimated_minutes": 12,
    "prerequisites": [
      "normal-distribution",
      "chain-rule"
    ],
    "source_id": "harvard-stat110-f2011",
    "locator": {
      "document": "Strategic Practice and Homework 5",
      "label": "Section 3: Continuous Distributions, Problem 1",
      "page": 2
    },
    "links": {
      "problem": "https://stat110.hsites.harvard.edu/resource/strategic-practice-and-homework-5",
      "solution": "https://stat110.hsites.harvard.edu/resource/strategic-practice-and-homework-5"
    },
    "selection_note": "A compact test of transforming a continuous random variable using a CDF before differentiating for the density.",
    "answer_status": "official-solution"
  }
}