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2nd April 1995
- 1Probability Trees3 marks
5 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 a minimum of 9 and a maximum of 62. Work out the range.
- 3Fractional and Negative Indices3 marks
Work out 216^(2/3).
- 4Factorising Harder Quadratics3 marks
Factorise 15x^2 + 29x + 12.
- 5Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 6, y = 16. 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 April 1995, including the monthly compilation PDF.