Daily Practice

Higher

8th October 1983

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

1
Conditional Probability3 marks
23 students study Spanish and 8 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 16, median 24, upper quartile 29 and maximum 32. Work out the interquartile range.
3
Standard Form2 marks
Work out (6 x 10^8) x (3 x 10^5). Give your answer in standard form.
4
Quadratic Formula3 marks
Use the quadratic formula to solve x^2 - x - 11 = 0, to 2 decimal places.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 32. Work out y when x = 6.

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