Daily Practice
Foundation Plus
- 1Best Buy Questions3 marks
A pack of 6 pencils costs £2.10. A pack of 12 costs £3.48. Which pack is better value?
- 2Angles in Polygons2 marks
A regular polygon has an exterior angle of 15°. How many sides does it have?
- 3Probability Trees3 marks
3 of 5 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 a minimum of 18 and a maximum of 31. Work out the range.
- 5Error Intervals2 marks
A number y is 67 when truncated to the nearest whole number. Write down the error interval for y.
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