Daily Practice - Foundation Plus
31st October 1993
- 1Real Life and Distance Time Graphs2 marks
Musa drives 120 km in 1.5 hours. Work out the average speed in km/h.
- 2Angles in Polygons2 marks
A regular polygon has an exterior angle of 18°. How many sides does it have?
- 3Probability Trees3 marks
5 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 Tables3 marks
In a survey 2 households own 1 car, 9 own 2 cars and 2 own 3 cars. Work out the mean number of cars, to 2 decimal places.
- 5Error Intervals2 marks
A number y is 55 when truncated to the nearest whole number. Write down the error interval for y.
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