Daily Practice

Higher

16th July 1976

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

1
Conditional Probability3 marks
27 students study Spanish and 7 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Capture Recapture2 marks
A capture-recapture estimate is made of the ladybird population of a garden. State one assumption the method relies on.
3
Standard Form2 marks
Work out (7 x 10^3) x (9 x 10^2). Give your answer in standard form.
4
Quadratic Formula3 marks
Use the quadratic formula to solve 2x^2 - 11x - 5 = 0, to 2 decimal places.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 6, y = 36. Work out y when x = 4.

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