Foundation Plus
17th December 1960
- 1Ratio2 marks
Red and blue raffle tickets are in the ratio 3 : 4. There are 21 red raffle tickets. How many raffle tickets are there altogether?
- 2Vectors2 marks
a is the column vector (-5, 7) and b is (-2, -6). Work out a + b as a column vector.
- 3Probability Trees3 marks
1 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 15 and a maximum of 45. Work out the range.
- 5Error Intervals2 marks
A number y is 41 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 December 1960, including the monthly compilation PDF.