Daily Practice
Higher
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7th August 1965
- 1Conditional Probability3 marks
13 students study Spanish and 4 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 8, lower quartile 17, median 26, upper quartile 36 and maximum 45. Work out the interquartile range.
- 3Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.555... as a fraction in its simplest form.
- 4Inequalities on Graphs3 marks
Does the point (4, -15) satisfy y > -4x + 8?
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 112. Work out y when x = 5.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of August 1965, including the monthly compilation PDF.