Everything Maths Grade 10

The sample space can be described asfn:n εZ; 1 n 15 g.

They are asked to identify the event set ofB. They get stuck, and you offer to help them find it.

Which of the following sets best describes the event set ofB?

• f6; 13g


• f1; 3; 5; 7; 10g


• f2; 4; 6; 8; 9; 11; 12; 13; 14; 15g


• f1; 2; 3; 4; 5; 7; 8; 9; 10; 11; 12; 14; 15g

3.A group of learners are given the following Venn diagram:

4

10 15 3

14

9

8

13 2

12

5 11 1

7

6

A B

(A[B)′

A\B

S

The sample space can be described asfn:n εZ; 1 n 15 g.

They are asked to identify the event set of the union between event setAand event setB, also written

asA[B. They get stuck, and you offer to help them find it.

Write down the event set that best describesA[B.

4.Given the following Venn diagram:

3 1 2

4

5 6

7

8

10 9

11

1213

15 14

A B

(A[B)′

A\B

S

The sample space can be described asfn:n εZ; 1 n 15 g.

AreA[Band(A[B)′mutually exclusive?

5.A group of learners are given the following Venn diagram:

Chapter 14. Probability 491