Daily Practice
Higher
← All tiers
16th March 1957
- 1Probability Trees3 marks
1 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 2Box Plots2 marks
A box plot has minimum 6, lower quartile 15, median 22, upper quartile 25 and maximum 28. Work out the interquartile range.
- 3Standard Form2 marks
Work out (2 x 10^7) x (9 x 10^4). Give your answer in standard form.
- 4Equation of a Line3 marks
A line has gradient -2 and passes through (2, 2). Work out its equation.
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 125. Work out y when x = 4.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of March 1957, including the monthly compilation PDF.