Daily Practice

Higher

24th February 1978

5 questions · 12 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 snail population of a hedgerow. State one assumption the method relies on.
3
Fractional and Negative Indices2 marks
Write 7^-1 as a fraction.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 7x - 6, work out y when x = 0.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 6, y = 12. Work out y when x = 7.

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