Daily Practice

Higher

26th May 1979

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

1
Conditional Probability3 marks
16 students study Spanish and 5 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 6, lower quartile 14, median 23, upper quartile 25 and maximum 27. Work out the interquartile range.
3
Bounds2 marks
A mass is 18.9 kg, correct to 1 decimal place. Write down the lower bound.
4
Inequalities on Graphs3 marks
Does the point (-4, 12) satisfy y > -3x - 1?
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 64. Work out y when x = 7.

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