Analysis and Approaches for IBDP Maths Ebook 1 | Page 328

Your Practice Set – Analysis and Approaches for IBDP Mathematics
Exercise 86
86.1 (a) (i)
(b)
(ii)
(iii)
12
13
86.2 (a) (i)
(ii)
(iii)
(b) 3.2
86.3 (a) (i)
(b) 9
(ii)
(iii)
86.4 (a) (i)
87.1 (a)
(ii)
(iii)
(b) 72
Exercise 87
(b)
87.2 (a)
(b)
1
6
10
13
1
5
7
20
1
9
1
6
3
10
5
36
5
18
3
5
1
9
5
9
2
5
1
9
2
9
5
6
87.3 (a)
(b)
87.4 (a)
(b)
1
7
14
19
1
7
9
10
Chapter 20
Exercise 88
88.1 (a) 4.8
(b) 0.0131
(c) 0.0000749
88.2 (a) 16.2
(b) 0.0598
(c) 0.455
88.3 (a) 1
(b) 0.000000560
(c) 0.922
88.4 (a) 6.21
(b) 0.270
(c) 0.00527
Exercise 89
89.1 (a)
�120�
3
� �p
�1�
p� 117
� 3 �
(b) 0.0149 or 0.0388
89.2 (a)
4
5 p (1 � p)
(b) 0.638 or 0.914
89.3 (a)
9 10
10 q (1 �q)
� q
(b) 0.654
89.4 (a) (1 � q) �100 q(1 � q)
(b) 0.0524
100 99
320
SE Production Limited