Foundation Plus
16th October 1989
- 1Real Life and Distance Time Graphs3 marks
A coach travels 90 km in 1 hour, then 20 km in 1 hour. Work out the average speed for the whole journey, to 1 decimal place.
- 2Angles in Polygons2 marks
A regular polygon has an exterior angle of 24°. How many sides does it have?
- 3Probability Trees3 marks
4 of 7 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 15, lower quartile 23, median 33, upper quartile 38 and maximum 45. Work out the interquartile range.
- 5Error Intervals2 marks
A number y is 47 when truncated to the nearest whole number. Write down the error interval for y.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of October 1989, including the monthly compilation PDF.