Higher
11th June 1955
- 1Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 108. Work out y when x = 4.
- 2SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 10 cm and an angle of 47°. Work out the side adjacent to that angle, to 1 decimal place.
- 3Probability 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.
- 4Box Plots2 marks
A box plot has minimum 13, lower quartile 15, median 17, upper quartile 24 and maximum 26. Work out the interquartile range.
- 5Fractional and Negative Indices2 marks
Write 2^-2 as a fraction.
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