HSC Advanced Maths

Which of the following is not a one-to-one function?

• 2

• 7

• -4

• 3

The first term of a geometric series is 3 and the common ratio is -2. What is the 10th term?

• -1536

• 1536

• -3072

• 3072

Consider this set of scores:

4, 13, 15, 17, 18, 20, 24, 24, 27, 30, 44

Using the method involving the IQR which of these scores are outliers?

• none

• 4 only

• 44 only

• 4 and 44

In a normal distribution, the mean is 64 and the standard deviation 12. Approximately what percentage of scores lie between 40 and 76?

• 68%

• 81.5%

• 87.5%

• 95%

A certain amount is to be invested at the end of each month into an account earning 9% p.a. interest, compounded monthly. At the end of 5 years the future value will be $60 339. What is the present value (to the nearest dollar)?

• $38 539

• $39 216

• $27 153

• $33 186

What is the name of the current principal of Port Macquarie Campus?

• Ms Cook

• Mr Lyttle

• Ms Miller

• Ms Burton