Everything Maths Grade 10

1.event set=f(2; 6); (3; 5); (4; 4); (5; 3); (6; 2)g

2.f1; 2; 3; 4; 5; 6g

3.=^13

4.0,50

5.^15
6. a)^12
b)^13
c)^56
d)^13
7. a) 521

b)^12

c) 133

d) 131

e) 133

Exercise 14 – 2:

1.0,11 2.0,57 3.0,22

Exercise 14 – 3:

1.f1; 2; 3; 4; 5; 7; 8; 9; 10; 11; 12; 13; 14; 15g

2.f1; 2; 4; 5; 6; 7; 9; 10; 11; 13; 14; 15g

3. a)f1; 2;: : :; 12g

b)f1; 2; 3; 4; 6; 12g

c)f2; 3; 5; 7; 11g

5. b) 6

c) 29

d) 2

Exercise 14 – 4:

1.f7; 10g 2.f1; 2; 4; 5; 6; 7; 8; 9; 10; 11; 12; 13; 14; 15g

Exercise 14 – 5:

1.0,83 2.0,17

Exercise 14 – 6:

1.mutually exclusive 2.mutually exclusive 3.not mutually exclusive 4.mutually exclusive

Exercise 14 – 7:

1.f2; 3; 4; 6; 10; 11; 12g 2.f2; 4; 9; 11; 13; 15g 3.yes 4.no

Exercise 14 – 8:

1.the die lands on the number 5

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

3.f1; 2; 3; 4; 5; 7; 8; 9; 10; 11; 12; 13; 14; 15g

4.yes

5.f1; 3; 6; 12; 14; 15g

6.0,08

7.0,1

8.0,50

9.0,18

10. a)^16
    b) 218


11. a)0,21
    b)0,56
    c) 0
    d)0,72


12. a)0,5
    b)0,23
    c)0,67
    d) 0
    e)0,67
    f)0,56


13. a)0,11
    b)0,33
    c)0,16
    d)0,01

e)0,80

f)0,55

g)0,16

h)0,01

14. a)^16
    b)^12
    c)^13


15. 125


16. a)^1930
    b)^1130


17. a)^49
    b)^59
    c)^19
    d)^89
    e)^59
    f)^49


18. a)^1121
    b)^1114


19. a) 563
    b)^5356


20. a) 103
    c)^1419


21. b) 10

c) 4

22. a)P=^13
    b)P=^23
    c)P=^12
    d)P=^16


23. a)(i)P = 521 ; (ii)P = 267 (iii)
    P= 134
    b)^1317
    24.0,17


24. e)Mutually exclusive and comple-
    mentary.


25. a) 50 %
    b)31,25%
    c)6,25%


26. 31
    31. a)

17  6 6 12  6

M B

X

b) 13

c)(i)P=^16 ; (ii)P=^16 ; (iii)P=^23

32. a)w= 4,x= 2,y= 6andz= 1
    b)(i)P= 154 ; (ii)P= 101

514 Solutions