Foundation Plus
29th August 1957
- 1Best Buy Questions3 marks
A pack of 9 pencils costs £5.40. A pack of 27 costs £15.39. Which pack is better value?
- 2Angles in Polygons2 marks
A regular polygon has an exterior angle of 45°. How many sides does it have?
- 3Probability Trees3 marks
5 of 8 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 10, the first being 40 < x <= 50. The frequencies in order are 7, 21, 11, 3, 16. Write down the modal class.
- 5Error Intervals2 marks
A number y is 50 when truncated to the nearest whole number. Write down the error interval for y.
You are looking at an earlier sheet. Today's sheet is the one that adds a day.
Your run is kept in this browser only, and there is no account.
Recent Foundation Plus sheets
Any date always gives the same five questions, so a sheet can be set again or shared. All of August 1957, including the monthly compilation PDF.