Daily Practice

Higher

28th February 1991

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

1
Conditional Probability3 marks
18 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
Histograms2 marks
A histogram class is 2 units wide and contains 5 values. Work out the frequency density.
3
Fractional and Negative Indices2 marks
Write 8^-3 as a fraction.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 7x - 10, work out y when x = 2.
5
Repeated Percentage Change3 marks
A town's population is 7500 and grows by 8% each year. Work out the population after 4 years, to the nearest whole number.

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