Daily Practice

Higher

25th April 1978

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

1
Conditional Probability3 marks
13 students study Spanish and 5 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Capture Recapture3 marks
40 newts are marked and released. Later 20 are caught, of which 5 are marked. Estimate the population.
3
Bounds2 marks
A mass is 13.8 kg, correct to 1 decimal place. Write down the upper bound.
4
Solving Quadratics3 marks
Solve x^2 + 4x - 45 = 0.
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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