Capture–recapture

Mark scheme and answers · Total marks: 51

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Question 1 [1 mark]

1375

Mark scheme
  • A [1] — cao 1375

Accept algebraically equivalent correct forms.

Question 2 [1 mark]

150

Mark scheme
  • A [1] — cao 150

Accept algebraically equivalent correct forms.

Question 3 [1 mark]

192

Mark scheme
  • A [1] — cao 192

Accept algebraically equivalent correct forms.

Question 4 [1 mark]

1600

Mark scheme
  • A [1] — cao 1600

Accept algebraically equivalent correct forms.

Question 5 [1 mark]

400

Mark scheme
  • A [1] — cao 400

Accept algebraically equivalent correct forms.

Question 6 [1 mark]

200

Mark scheme
  • A [1] — cao 200

Accept algebraically equivalent correct forms.

Question 7 [1 mark]

1440

Mark scheme
  • A [1] — cao 1440

Accept algebraically equivalent correct forms.

Question 8 [1 mark]

750

Mark scheme
  • A [1] — cao 750

Accept algebraically equivalent correct forms.

Question 9 [1 mark]

200

Mark scheme
  • A [1] — cao 200

Accept algebraically equivalent correct forms.

Question 10 [2 marks]

5000

Mark scheme
  • A [2] — cao 5000

Accept algebraically equivalent correct forms.

Question 11 [2 marks]

3600

Mark scheme
  • A [2] — cao 3600

Accept algebraically equivalent correct forms.

Question 12 [2 marks]

4400

Mark scheme
  • A [2] — cao 4400

Accept algebraically equivalent correct forms.

Question 13 [2 marks]

2700

Mark scheme
  • A [2] — cao 2700

Accept algebraically equivalent correct forms.

Question 14 [2 marks]

3000

Mark scheme
  • A [2] — cao 3000

Accept algebraically equivalent correct forms.

Question 15 [2 marks]

400

Mark scheme
  • A [2] — cao 400

Accept algebraically equivalent correct forms.

Question 16 [2 marks]

250

Mark scheme
  • A [2] — cao 250

Accept algebraically equivalent correct forms.

Question 17 [2 marks]

375

Mark scheme
  • A [2] — cao 375

Accept algebraically equivalent correct forms.

Question 18 [2 marks]

1000

Mark scheme
  • A [2] — cao 1000

Accept algebraically equivalent correct forms.

Question 19 [2 marks]

600

Mark scheme
  • A [2] — cao 600

Accept algebraically equivalent correct forms.

Question 20 [2 marks]

2500

Mark scheme
  • A [2] — cao 2500

Accept algebraically equivalent correct forms.

Question 21 [2 marks]

8640

Mark scheme
  • A [2] — cao 8640

Accept algebraically equivalent correct forms.

Question 22 [2 marks]

1200

Mark scheme
  • A [2] — cao 1200

Accept algebraically equivalent correct forms.

Question 23 [2 marks]

560

Mark scheme
  • A [2] — cao 560

Accept algebraically equivalent correct forms.

Question 24 [2 marks]

3780

Mark scheme
  • A [2] — cao 3780

Accept algebraically equivalent correct forms.

Question 25 [2 marks]

9.00 × 10³

Mark scheme
  • A [2] — cao 9.00 × 10³

Accept algebraically equivalent correct forms.

Question 26 [2 marks]

900

Mark scheme
  • A [2] — cao 900

Accept algebraically equivalent correct forms.

Question 27 [2 marks]

600

Mark scheme
  • A [2] — cao 600

Accept algebraically equivalent correct forms.

Question 28 [2 marks]

6300

Mark scheme
  • A [2] — cao 6300

Accept algebraically equivalent correct forms.

Question 29 [2 marks]

480

Mark scheme
  • A [2] — cao 480

Accept algebraically equivalent correct forms.

Question 30 [2 marks]

20000

Mark scheme
  • A [2] — cao 20000

Accept algebraically equivalent correct forms.