Apps. and Interpretation for IBDP Maths Ebook 1 | Page 388

Your Practice Set – Applications and Interpretation for IBDP Mathematics
85.4 (a) 0.48 � 0.18 p
(b)
0.3p
0.48 � 0.18 p
(c) 0.0286
(d) 20
Chapter 21
Exercise 86
86.1 (a) 0.28
(b) 0.22
(c) 0.22
86.2 (a) 0.15
(b) 0.35
(c) 0.7
86.3 (a) 0.07
(b) 0.43
(c) 0.93
86.4 (a)
5
6
(b)
9
11
(c)
2
3
Exercise 87
87.1 (a) Refer to solution
(b) 0.0228
(c) 61.8
87.2 (a) Refer to solution
(b) 0.2654
(c) 4.76
87.3 (a) Refer to solution
(b) 0.4479
(c) 32.1
87.4 (a) Refer to solution
(b) 0.3697
(c) 158
Exercise 88
88.1 (a) 230
(b) 250
(c) 20.2
88.2 (a) 156
(b) 164
(c) 8.39
88.3 10.3
88.4 2.58
Exercise 89
89.1 (a) (i) 0.00839
(ii) 0.0301
(b) 0.0000705
(c) (i) 0.839
(ii) 0.0525
89.2 (a) (i) 0.00621
(ii) 0.931
(b) 0.0123
(c) (i) 0.373
(ii) 0.994
89.3 (a) (i) 66.9
(ii) 0.319
(b) 0.255
(c) (i) 3.1875
(ii) 0.529
89.4 (a) (i) 9.51
(ii) 0.773
(b) 0.001
(c) (i) 4.68
(ii) 0.00149
Chapter 22
Exercise 90
90.1 (a) Refer to solution
(b) Refer to solution
(c) Strong, negative
(d) 77
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