Daily Practice

Higher

12th January 1968

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

1
Conditional Probability3 marks
19 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 newt population of a stream. State one assumption the method relies on.
3
Fractional and Negative Indices2 marks
Write 9^-3 as a fraction.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 8x + 11, work out y when x = 0.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 6, y = 42. Work out y when x = 11.

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