Daily Practice

Higher

2nd February 1973

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

1
Conditional Probability3 marks
14 students study Spanish and 9 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
Fractional and Negative Indices2 marks
Write 8^-1 as a fraction.
4
Inequalities on Graphs3 marks
Does the point (-4, 14) satisfy y > -2x + 7?
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 9, y = 81. Work out y when x = 4.

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