Daily Practice

Higher

28th March 1981

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

1
Conditional Probability3 marks
23 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
Box Plots2 marks
A box plot has minimum 12, lower quartile 15, median 17, upper quartile 20 and maximum 22. Work out the interquartile range.
3
Standard Form2 marks
Work out (6 x 10^8) x (4 x 10^-3). Give your answer in standard form.
4
Inequalities on Graphs3 marks
Does the point (-3, 16) satisfy y > -3x + 2?
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 128. Work out y when x = 9.

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