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Topic plan · A-Level Maths 9709 · 5.4

Discrete random variables

Representing data, permutations and combinations, probability, discrete random variables including binomial and geometric, and the normal distribution.

Question bank Notes PDF
Unit at a glance

3 lessons, 135 minutes of teaching

Lessons
3, each planned for 45 minutes
Worksheets
3 with answer keys
Quiz questions
24 multiple-choice, assignable in the app
Lab
No full-screen lab for this topic yet
Scheme of work

The lessons in order

RefLesson packStructureWorksheetQuizLab tab
5.4Discrete probability distributions, E(X) and Var(X)
A discrete random variable takes separate values, each with a probability.
Numbered Heads Together6 Q, 25 marks8 MCQnone
5.4The binomial distribution
Repeat the same independent trial a fixed number of times and count how often it succeeds: that count follows a binomial distribution.
Round Table6 Q, 24 marks8 MCQnone
5.4The geometric distribution
Keep repeating a trial until it succeeds for the first time, and count the trials.
Rally Coach6 Q, 20 marks8 MCQnone

Each pack holds the plan, worksheet and quiz for its lesson. Teach the rows in order; the lab tabs match the student lessons.

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