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Northern IrelandMathsQuick questions

AS 2 Applied Mathematics

Quick questions on Probability: addition and multiplication rules, Venn and tree diagrams - CCEA A-Level Mathematics

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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A fair die is rolled. Find P(even number)P(\text{even number}). [1 mark]
What is q2?
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Events AA and BB are mutually exclusive with P(A)=0.3P(A) = 0.3 and P(B)=0.45P(B) = 0.45. Find P(A∪B)P(A \cup B). [2 marks]
What is q3?
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A coin is tossed twice. Find the probability of two heads. [2 marks]

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