Probability and Testing Extensions

Grade 12 pilot: connect conditional probability representations and conduct bounded one- and two-tailed tests for a Normal mean.

Grade 12 elective pilot · controlled-PDF review completed · no voice

Evidence workspace

Complete every statistical decision, then test the reasoning.

Physical PDF pages 13–14 of the controlled ENG-102A file were visually reviewed line by line. That PDF remains authoritative for the official conditional-probability formula and Normal-mean testing scope.

⌂ Orco Academy
🎓 Secondary · Grades 10–12 · Mathematics

How “Probability and Testing Extensions” works

🎓 Learning objective: Grade 12 pilot: connect conditional probability representations and conduct bounded one- and two-tailed tests for a Normal mean.

How to get the most from this studio:

  1. 📋 Select a mission

    Each mission targets specific syllabus outcomes — the codes are stated on this page.

  2. ✍️ Work with precision

    Choose answers you can justify with correct notation, a definition or a method — exactly as you would in an exam.

  3. 🧾 Check and critique

    After checking, select the justification that reflects rigorous reasoning. Every claim needs a reason.

Missions in this studio: Condition from a two-way table · Reverse a probability tree · Test a Normal mean with an upper-tail alternative · Test a Normal mean with a two-tail alternative

💡 Exam habit: quote the theorem, definition or calculation that supports each step.

Nothing you do here is saved or sent anywhere — experiment freely. Reopen this guide any time with the ? Help button.