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FREE download: 2024 Specialist Mathematics Year 12 Modeling Task
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Monday, May 15th, 2023FREE download: 2023 VCAA Mathematical Methods Exam 2 Sample Questions Solutions
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Thanks to Nora Seigel for pointing out the correct answers to Q1d and Q2c are 0.0036 and 98.1% respectively.
Thanks to Linda Harland of Haileybury College for pointing out mistakes in MQ 6 and 7
FREE download: 2023 VCAA Mathematical Methods Exam 1 Sample Questions Solutions
Monday, February 27th, 2023FREE download: 2023 VCAA Specialist Mathematics Exam 2 Sample Questions Solutions
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Thanks to Hao Wang for suggesting a geometric approach to Q1d in Section B. See solutions.
Thanks to Owen Parris for pointing out that the answer to Question 4b should be a=1.
Thanks to Mohammad REHMAN of MHS for pointing out that the solution to Q1e was incomplete, expressing w in a+bi form was missing.
FREE download: VCAA 2023 Specialist Mathematics Exam 1 Sample questions Solutions
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Thanks to Ethan Zhang for pointing out that in Q4 the proof by contradiction was incorrectly constructed. File updated.
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Thanks to Michael Xu of Minaret College for checking and correcting mistakes.
Thanks to John Kermond for pointing out the following errors. These errors are a consequence of errors in the actual question:
1) A multiple choice question with no correct answer (Section A Q4).
2) A defective multiple choice question for which no answer can be calculated (Section A Q19)
3) A question that required students to make an unjustified and potentially dubious assumption, confusing some students (Section B Q6 part (f)).
2) A defective multiple choice question for which no answer can be calculated (Section A Q19)
3) A question that required students to make an unjustified and potentially dubious assumption, confusing some students (Section B Q6 part (f)).
In particular, Section A Q19:
A confidence interval gives an estimated range of values which is likely to include an unknown population parameter. It is based on a given set of sample data.
The question does not give the sample mean. In fact, the question seems to be suggesting that a confidence interval for a sample mean based on the population mean should be calculated.
Furthermore, the question enables the population mean to be exactly calculated, which makes finding a confidence interval for the population mean pointless, assuming the sample mean was given and such a calculation able to be performed.
