Daily Practice

Higher

21st April 1981

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

1
Conditional Probability3 marks
26 students study Spanish and 11 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Capture Recapture3 marks
55 fish are marked and released. Later 72 are caught, of which 6 are marked. Estimate the population.
3
Standard Form3 marks
Work out (24 x 10^12) / (3 x 10^3). Give your answer in standard form.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 5x + 11, work out y when x = 3.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 5 : 7. Write y in terms of x.

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