Daily Practice
Foundation Plus
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20th March 1970
- 1Probability Trees3 marks
A bag holds 6 red and 5 blue counters. Two are taken without replacement. Work out the probability both are red.
- 2Box Plots2 marks
A box plot has minimum 2, lower quartile 11, median 18, upper quartile 23 and maximum 30. Work out the interquartile range.
- 3Indices1 mark
Write down the value of 19^0.
- 4Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = 70/x, work out y when x = -10, and write down the equation of its vertical asymptote.
- 5Proportion2 marks
8 identical pens cost £4.40. Work out the cost of 5 of the same pens.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of March 1970, including the monthly compilation PDF.