Daily Practice
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16th July 1960
- 1Conditional Probability3 marks
17 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 7, lower quartile 15, median 19, upper quartile 26 and maximum 32. Work out the interquartile range.
- 3Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.333... as a fraction in its simplest form.
- 4Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 5x - 7, work out y when x = 5.
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 45. Work out y when x = 6.
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