Daily Practice

Higher

8th September 1984

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
13 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 9, lower quartile 19, median 29, upper quartile 35 and maximum 39. Work out the interquartile range.
3
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.9393... as a fraction in its simplest form.
4
Quadratic Formula3 marks
Use the quadratic formula to solve 2x^2 + x - 2 = 0, to 2 decimal places.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 175. Work out y when x = 7.

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