15.2 Exam Question Type 2

These are normal distribution questions embedded in real life scenarios which you can expect to come in part 2 of the exam. Questions like setting of a machine (2012Q29b) or marks in class (2015Q28b)

The following are relevant past exam questions:

(Note: The links will direct you to relevant question in the file on PC only NOT mobile)

2010Q24c, 2011Q27c, 2012Q29b, 2013Q29b, 2015Q28b, 2016Q30d, 2018Q27e, 2019Q38, 2020Q35

Check out the videos below relevant to these questions.

HSC Standard Math Hack | z-score | May not be so obvious at first sight

by StudyNinja (click to view channel)

NSW HSC Standard Math Hacks for 2021 exam. 2020Q8 may not be obvious that it is asking for z-score.

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HSC Maths Standard 2020 Question 35 - StudyNinja

by StudyNinja (click to view channel)

Solves HSC Maths Standard 2020 Question 35 (Normal Distribution) - StudyNinja

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HSC Maths Standard 2019 Question 38 - StudyNinja

by StudyNinja (click to view channel)

Solves Question 38 from Maths Standard 2019 HSC exam (Normal Distribution).

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Variations are endless but focus should be on the ability to think in terms of chart and figuring out which area is the question asking about.