# Probability from a venn diagram using further set notation (2 sets)

# Probability from a venn diagram using further set notation (2 sets)

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## Lesson details

### Key learning points

- In this lesson, we will interpret Venn diagrams with two sets and find probabilities, including conditional probabilities from them, using the correct set notation.

### Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

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### 3 Questions

Q1.

The two-way table shows information about year 7 and 8 students and their participation in some school clubs. How do you find the total number of students?

Find the difference between the students in year 7 and the students in year 8 for each club in the table.

Multiply all the numbers in each row.

Q2.

The two-way table shows information about year 7 and 8 students and their participation in some school clubs. What is the probability that two students picked at random attend debate club?

A

C

Q3.

The two-way table shows information about year 7 and 8 students and their participation in some school clubs. What is the probability that two students picked at random attend chess club and one is in year 7 and the other in year 8?

A

B

### 3 Questions

Q1.

Use Venn diagram to calculate P(A’∪ B’)

B

C

Q2.

Use Venn diagram to calculate P(A ∩ B | B)

A

B

Q3.

Use Venn diagram to calculate P(A ∩ B | A)

B

C