GCSE Secondary Maths Age 13-17 - Probability & Statistics: Venn Diagram - Explained

The video tutorial introduces Venn diagrams, focusing on understanding the universal set and completing a Venn diagram with given sets A and B. It explains the concepts of intersection and union, and how to calculate probabilities using these operations. The tutorial emphasizes the importance of understanding set theory terminology and provides tips for exam preparation.

What does the squiggly E symbol represent in the context of Venn diagrams?

• The empty set

• The universal set

• The union of two sets

• The intersection of two sets

Which numbers are included in Set A?

• 3, 9, 15, 21, 27

• 11, 13, 17, 19, 23

• 5, 15, 25

• 1, 3, 5, 7, 9

Where should the number 15 be placed in the Venn diagram?

• Outside both sets

• In the intersection of Set A and Set B

• In Set B only

• In Set A only

Which of the following numbers is not part of Set A or Set B?

• 25

• 15

• 11

• 3

What is the probability that a randomly chosen number from the universal set is in Set A union B?

• 10/15

• 9/15

• 8/15

• 7/15

What does the intersection of two sets represent?

• Elements unique to each set

• Elements common to both sets

• The total number of elements in both sets

• All elements in either set

How many elements are there in the universal set?

• 15

• 12

• 10

• 18