Analysis and Approaches for IBDP Maths Ebook 1 | Page 329

Exercise 90
90.1 (a) 0.4016
(b) 0.833
(c) 0.310
(d) 3
90.2 (a) 0.26
(b) 0.692
(c) 0.222
(d) 10
90.3 (a) 0.383
(b) 0.847
(c) 0.285
(d) 10
90.4 (a) 0.48 � 0.18 p
(b)
0.3p
0.48 � 0.18 p
(c) 0.0286
(d) 20
Chapter 21
Exercise 91
91.1 (a) 0.28
(b) 0.22
(c) 0.22
91.2 (a) 0.15
(b) 0.35
(c) 0.7
91.3 (a) 0.07
(b) 0.43
(c) 0.93
91.4 (a)
5
6
(b)
9
11
(c)
2
3
Exercise 92
92.2 (a) Refer to solution
(b) 0.2654
(c) 4.76
92.3 (a) Refer to solution
(b) 0.4479
(c) 32.1
92.4 (a) Refer to solution
(b) 0.3697
(c) 158
Exercise 93
93.1 � � 10.6 , � � 1.99
93.2 � � 57.0 , � � 5.18
93.3 � � 21.5 , � � 2.93
93.4 � � 183, � � 12.9
Exercise 94
94.1 20.2
94.2 8.39
94.3 10.3
94.4 2.58
Exercise 95
95.1 (a) 0.05
(b) 98.7
(c) 102
(d) 0.505
95.2 (a) 0.22
(b) 73.5
(c) 13.0
(d) 0.283
95.3 (a) 0.15
(b) 4.82
(c) 10
(d) 0.306
95.4 (a) 31.2
(b) � � 207 , s � 26.1
(c) 0.593
Front Page Answers
92.1 (a) Refer to solution
(b) 0.0228
(c) 61.8
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