Daily Practice
Higher
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9th March 1980
- 1Conditional Probability3 marks
17 students study Spanish and 6 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 a minimum of 7 and a maximum of 19. Work out the range.
- 3Reverse Percentages3 marks
A bill is £648 including VAT at 20%. Work out the amount before VAT.
- 4Inequalities on Graphs3 marks
Does the point (5, 15) satisfy y > 4x + 3?
- 5Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 5, y = 16. Work out y when x = 4.
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