Daily Practice
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5th April 1975
- 1Conditional Probability3 marks
19 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 minimum 7, lower quartile 15, median 22, upper quartile 31 and maximum 36. Work out the interquartile range.
- 3Fractional and Negative Indices2 marks
Write 6^-1 as a fraction.
- 4Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 6x - 7, work out y when x = -3.
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 216. 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 April 1975, including the monthly compilation PDF.