Examination 1 is 40 multiple-choice questions, one mark each, in 90 minutes of writing after 15 minutes of reading: 16 on data analysis and 8 each on recursion and financial modelling, matrices, and networks and decision mathematics.
Examination 1
40 multiple-choice questions, 90 minutes
Examination 2
60 marks of short and extended answers, 90 minutes
Study score
Each examination 30%; coursework 40%
Technology
CAS and a scientific calculator, one bound reference
About two minutes a question
Ninety minutes for 40 questions is two and a quarter minutes each. Work each question out before you look at the options: the wrong options are the answers common slips give, such as a population standard deviation or an annual rate used per month.
What you may bring
CAS technology, a scientific calculator and one bound reference, which may be annotated. A formula sheet is provided.
Try 2 questions
Question 1Examination 1 style
Floor area in square metres: 45, 52, 58, 64, 71, 77, 85. Weekly rent in dollars: 480, 590, 580, 740, 770, 860, 930.
Floor area (m²)
Weekly rent (dollars)
45
480
52
590
58
580
64
740
71
770
77
860
85
930
The table shows the floor area, in square metres, and the weekly rent, in dollars, of seven apartments. Floor area: 45, 52, 58, 64, 71, 77, 85. Weekly rent: 480, 590, 580, 740, 770, 860, 930. A least squares line is fitted to predict weekly rent from floor area. What is its slope, correct to two decimal places?
Question 2Examination 1 style
A precedence table. Activity A: duration 4 days, immediate predecessors none. Activity B: duration 6 days, immediate predecessors none. Activity C: duration 3 days, immediate predecessors A. Activity D: duration 5 days, immediate predecessors A. Activity E: duration 2 days, immediate predecessors B, C. Activity F: duration 7 days, immediate predecessors B, C. Activity G: duration 4 days, immediate predecessors D, E. Activity H: duration 3 days, immediate predecessors F, G. Activity I: duration 5 days, immediate predecessors D.
Activity
Duration (days)
Immediate predecessors
A
4
none
B
6
none
C
3
A
D
5
A
E
2
B, C
F
7
B, C
G
4
D, E
H
3
F, G
I
5
D
The precedence table shows the activities of a project, with durations in days. What is the earliest starting time of activity H?