Daily Practice
Higher
- 1Conditional Probability3 marks
19 students study Spanish and 5 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Box Plots2 marks
A box plot has minimum 13, lower quartile 19, median 26, upper quartile 36 and maximum 43. Work out the interquartile range.
- 3Fractional and Negative Indices3 marks
Work out 49^(3/2).
- 4Inequalities on Graphs3 marks
Does the point (1, -2) satisfy y > 3x - 3?
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 28. Work out y when x = 4.
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