Daily Practice

Higher

3rd March 1979

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

1
Conditional Probability3 marks
26 students study Spanish and 10 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 15, median 20, upper quartile 22 and maximum 27. Work out the interquartile range.
3
Fractional and Negative Indices3 marks
Work out 8^(2/3).
4
Quadratic Formula3 marks
Use the quadratic formula to solve x^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 = 75. Work out y when x = 2.

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