Daily Practice

Higher

4th November 1980

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
24 students study Spanish and 9 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Capture Recapture3 marks
25 voles are marked and released. Later 21 are caught, of which 3 are marked. Estimate the population.
3
Bounds2 marks
A mass is 41 kg, correct to the nearest whole number. Write down the lower bound.
4
Inequalities on Graphs3 marks
Does the point (2, -9) satisfy y > x - 3?
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 5 : 9. Write y in terms of x.

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