Daily Practice

Higher

14th May 1979

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

1
Conditional Probability3 marks
8 students study Spanish and 4 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 88 values. What cumulative frequency do you read across from to estimate the lower quartile?
3
Surds2 marks
Write sqrt(32) in the form a sqrt(b), where b is as small as possible.
4
Solving Quadratics3 marks
Solve x^2 + 9x + 14 = 0.
5
Repeated Percentage Change3 marks
A price rises by 15% and then falls by 20%. Work out the overall percentage change, to 2 decimal places.

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