Daily Practice

Higher

20th May 1955

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

1
Conditional Probability3 marks
24 students study Spanish and 12 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
Fractional and Negative Indices2 marks
Write 7^-1 as a fraction.
4
Quadratic Formula3 marks
Use the quadratic formula to solve 4x^2 - x - 12 = 0, to 2 decimal places.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 6, y = 54. Work out y when x = 4.

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