Year 12 Standard 2 Mathematics Revision

(a)  

• 51.0 cm

• 81.7 cm

• 89.7 cm

• 127.4 cm

Lenore invests $4 200 at 4% p.a. compounding annually.

What will be the value of the investment at the end of three years?

• $504.00

• $524.43

• $4 704.00

• $4 724.43

• The Firenze would use the least fuel

• The Firenze and the Tacoma are equal in using the least amount of fuel

• The Firenze and the Vortex are equal in using the least amount of fuel

• The Tacoma would use the least fuel

Sofia starts a new job on a salary of $54 080 p.a. She has a deduction of $54.00 per week for her health fund and income tax deducted at 19% of her gross salary. What is her take home pay each week?

• $787.56

• $788.40

• $798.66

• $986.00

Nick bought a portfolio of 2000 MNRA shares with his retrenchment payout. The value of each share is currently $12.50, and Nick is paid an annual dividend of $0.75 per share. What is the dividend yield on the shares?

• 6.0%

• 6.25%

• 7.5%

• 12.5%

Molly is concerned about the parrot population in her town. She gathers 170 parrots and tags them. A couple of months later she gathers 32 parrots and finds 10 of them tagged. What is Molly’s estimate of the parrot population using the capture-recapture method?

• 524

• 544

• 572

• 588

• 0.004%

• 0.4%

• 0.49%

• 2.5%

• 0.04

• 0.05

• 0.06

• 0.07

• A moderate negative correlation

• A moderate positive correlation

• A weak positive correlation.

• No correlation.