Higher
12th June 1954
- 1Probability Trees3 marks
4 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 11, lower quartile 13, median 21, upper quartile 31 and maximum 40. Work out the interquartile range.
- 3The Product Rule for Counting2 marks
A meal deal has 3 mains, 6 sides and 2 drinks. How many different meals are possible?
- 4Equation of a Line3 marks
A line has gradient 2 and passes through (3, -3). Work out its equation.
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 45. Work out y when x = 2.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of June 1954, including the monthly compilation PDF.