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AQA A Level Maths: Statistics复习笔记3.2.1 Set Notation & Conditional Probability

Category: A-level课程, 教材笔记, 福利干货 Date: 2022年8月9日 下午5:15

Set Notation

What is set notation?3-2-1-fig1-venn-and-set-notation

How do I solve problems given in set notation?

Worked Example3-2-1-fig2-we-solution-part-1

3-2-1-fig2-we-solution-part-2

3-2-1-fig2-we-solution-part-3

Exam Tip

Conditional Probability

What is conditional probability?--tR8mHB_3-2-1-fig3-cp-venn

Worked Example

The Venn diagram below illustrates the probabilities of three events,?.

3-2-1-fig4-we2-diagram

3-2-1-fig4-we2-solution-part-1

3-2-1-fig4-we2-solution-part-2

3-2-1-fig4-we2-solution-part-3

Exam Tip

Two-Way Tables

What are two-way tables?3-2-1-fig5-two-way-and-notation

How do I solve problems given involving two-way tables?

Worked Example

Exam Tip

  • Ensure any table – given or drawn - has a “Total” row and a “Total” column
  • Do not confuse a two-way table with a?sample?space?diagram – a two-way table does not necessarily display?all?outcomes?from an?experiment, just those (events) we are interested in

 

 

 

 

 

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