Daily Practice

Higher

3rd April 1973

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

1
Conditional Probability3 marks
17 students study Spanish and 8 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Capture Recapture3 marks
10 newts are marked and released. Later 30 are caught, of which 5 are marked. Estimate the population.
3
Bounds2 marks
A mass is 57 kg, correct to the nearest whole number. Write down the upper bound.
4
Quadratic Formula3 marks
Use the quadratic formula to solve 4x^2 + 5x - 4 = 0, to 2 decimal places.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 7. Write y in terms of x.

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