LCHL Maths – Probability

Leaving Cert Higher Level Maths LCHL Maths – Probability

LCHL Probability

Your progress through this topic0 of 9 lessons

Lessons in this topic

All 9 lessons, in order — each one ticks off as you open it.

1JC Revision2Probability 2 Mutually Exclusive and Not-Mutually Exclusive events3Independent events and Conditional probability4Factorials5Permutations6Combinations7Twin Rule8Bernoulli Trials9Relative frequency and Expected value

Key ideas in this topic

📖 In the log tables
Probability of an event
Probability of an eventProbability
★ Must learn
Mutually exclusive events
Mutually exclusive eventsProbability 2
★ Must learn
Mutually exclusive — disjoint circles
Mutually exclusive — disjoint circlesProbability 2
★ Must learn
Not mutually exclusive
Not mutually exclusiveProbability 2
★ Must learn
Not mutually exclusive — the overlap is counted once
Not mutually exclusive — the overlap is counted onceProbability 2
★ Must learn
Conditional probability
Conditional probabilityProbability 3
★ Must learn
Conditional probability — restrict the sample space to B
Conditional probability — restrict the sample space to BProbability 3
★ Must learn
Independent events
Independent eventsProbability 3
📖 In the log tables
Combinations — choosing r from n
Combinations — choosing r from nProbability 6
📖 In the log tables
Bernoulli trials
Bernoulli trialsProbability
★ Must learn
Bernoulli — the 4 conditions
Bernoulli — the 4 conditionsfixed n · 2 outcomes · constant p · independent
★ Must learn
Expected value
Expected valueProbability

Check it against the exam

Jump straight to the fully worked solution for that paper.

2023 Paper 1 Q8 →2023 Paper 2 Q1 →2019 Paper 2 Q1 →2018 Paper 2 Q3 →

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