FREE download: 2018 Specialist Mathematics Trial Exam 1 Solutions
2018 Specialist Mathematics Trial Exam 1 Solutions – PDF 95 KB
Thanks to Jonas Tiong of Mazenod College for pointing out a mistake in the solution to Question 9b. It does not recognise the independence of each copy of X. The solution implicitly uses Var(X+X-1)=Var(2X-1). Rather if you break it up to Var(X) +Var(Y), you’ll arrive at an answer of 1, not 2.
Rate this resource!
Let us know how helpful you found this resource.
5 stars = Totally Excellent
4 stars = Good
3 stars = OK
2 stars = Could be better
1 star = Useless
(3 votes, average: 5.00 out of 5)
Loading...