Daily Practice - Foundation Plus
24th April 1995
- 1Real Life and Distance Time Graphs3 marks
A coach travels 20 km in 0.5 hours, then 30 km in 2 hours. 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 40°. How many sides does it have?
- 3Probability Trees3 marks
1 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Scatter Graphs3 marks
A line of best fit on a scatter graph has equation y = 4x + 7. Use it to estimate y when x = 11.
- 5Error Intervals2 marks
A number y is 64 when truncated to the nearest whole number. Write down the error interval for y.
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