Daily Practice

Higher

19th February 1963

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

1
Conditional Probability3 marks
18 students study Spanish and 12 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Capture Recapture3 marks
15 fish are marked and released. Later 44 are caught, of which 4 are marked. Estimate the population.
3
Bounds2 marks
A mass is 28.1 kg, correct to 1 decimal place. Write down the lower bound.
4
Quadratic Formula3 marks
Use the quadratic formula to solve 2x^2 + 7x - 10 = 0, to 2 decimal places.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 3 : 8. Write y in terms of x.

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