Daily Practice

Higher

28th November 1972

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

1
Probability Trees3 marks
2 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Capture Recapture3 marks
45 newts are marked and released. Later 33 are caught, of which 3 are marked. Estimate the population.
3
Fractional and Negative Indices2 marks
Write 5^-3 as a fraction.
4
Factorising Harder Quadratics3 marks
Factorise 3x^2 + 11x + 10.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 7 : 9. Write y in terms of x.

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