Daily Practice - Foundation Plus
9th September 1996
- 1Real Life and Distance Time Graphs3 marks
A coach travels 30 km in 0.5 hours, 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 30°. How many sides does it have?
- 3Probability Trees3 marks
2 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Averages from Frequency Tables2 marks
Grouped data has five classes of width 5, the first being 15 < x <= 20. The frequencies in order are 11, 16, 7, 3, 21. Write down the modal class.
- 5Error Intervals2 marks
A number y is 79 when truncated to the nearest whole number. Write down the error interval for y.
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