Daily Practice

Higher

26th January 1979

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
16 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 Recapture2 marks
A capture-recapture estimate is made of the beetle population of a woodland. State one assumption the method relies on.
3
Standard Form2 marks
Work out (5 x 10^8) x (6 x 10^-3). Give your answer in standard form.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 5x - 12, work out y when x = -1.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 9, y = 72. Work out y when x = 2.

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