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Subjects / LC Mathematics / Statistics and Probability

Probability rules: union, independence and conditional probability

Apply the addition and multiplication rules, recognise independent and mutually exclusive events and find conditional probabilities.

In review 5th Year6th Year HigherOrdinary
15practice questions

Multiple choice: 4 · Select all that apply: 1 · Numeric answer: 9 · Written answer (self/teacher assessed): 1

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Numeric answerPaper 2 – Statistics and Probability
P(A) = 0.38, P(B) = 0.45 and P(A ∩ B) = 0.11. Find P(A ∪ B). (Give your answer as a decimal.)
UAB
Whole numbers, decimals (2.5) or fractions (3/4).
Hint 1

Adding P(A) and P(B) counts the overlap twice.

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