Daily Practice - Foundation Plus
25th January 1994
- 1Probability Trees3 marks
A bag holds 3 red and 9 blue counters. Two are taken without replacement. Work out the probability both are red.
- 2Box Plots2 marks
A box plot has minimum 7, lower quartile 13, median 17, upper quartile 27 and maximum 37. Work out the interquartile range.
- 3Indices1 mark
Write down the value of 16^1.
- 4Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = 24/x, work out y when x = -2, and write down the equation of its vertical asymptote.
- 5Compound Interest and Depreciation3 marks
£5900 is invested at 3% compound interest per year. Work out the value after 3 years, to the nearest penny.
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