Daily Practice · Higher

Daily Practice - Higher

17th October 1995

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
14 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
25 voles are marked and released. Later 72 are caught, of which 6 are marked. Estimate the population.
3
Fractional and Negative Indices3 marks
Work out 125^(2/3).
4
Solving Quadratics3 marks
Solve x^2 + 2x - 63 = 0.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 5 : 9. Write y in terms of x.

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