Catholic Junior College
B(n,p); at-least, conditional
Open question & worked solutionFree practice / JC2 H2 Maths Prelim
Choose a question, attempt it on paper, then compare your working with the step-by-step solution.
Real 2025 JC Preliminary Examination Binomial Expansion questions from H2 Mathematics (9758), each with a full worked solution and examiner notes. These are the same papers we work through in our JC H2 Maths Crash Course.
Select a question to see the full problem and solution.
B(n,p); at-least, conditional
Combined trials; conditional
Standard B(n,p) probabilities
Binomial; advanced
B(n,p); mean and variance
Multi-stage binomial
B(n,p) with extension
Binomial with restriction
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