Foundation Plus
1st December 1959
- 1Probability Trees3 marks
A bag holds 9 red and 3 blue counters. Two are taken without replacement. Work out the probability both are red.
- 2Box Plots2 marks
A box plot has minimum 4, lower quartile 7, median 16, upper quartile 21 and maximum 29. Work out the interquartile range.
- 3Indices1 mark
Write down the value of 18^1.
- 4Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = -9/x, work out y when x = -1, and write down the equation of its vertical asymptote.
- 5Compound Interest and Depreciation3 marks
£2000 is invested at 4% compound interest per year. Work out the value after 4 years, to the nearest penny.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of December 1959, including the monthly compilation PDF.