Daily Practice

Higher

11th August 1962

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

1
Conditional Probability3 marks
16 students study Spanish and 9 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 14, median 19, upper quartile 28 and maximum 35. Work out the interquartile range.
3
Fractional and Negative Indices2 marks
Write 4^-2 as a fraction.
4
Quadratic Formula3 marks
Use the quadratic formula to solve 2x^2 + 3x - 5 = 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 = 2.

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