Daily Practice

Higher

28th October 1986

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
19 students study Spanish and 4 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Capture Recapture3 marks
20 beetles are marked and released. Later 66 are caught, of which 6 are marked. Estimate the population.
3
Fractional and Negative Indices2 marks
Write 3^-3 as a fraction.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 4x + 4, work out y when x = -2.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 5. Write y in terms of x.

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