Daily Practice - Foundation Plus
28th August 1995
- 1Real Life and Distance Time Graphs3 marks
A coach travels 60 km in 1 hour, then 90 km in 1 hour. Work out the average speed for the whole journey, to 1 decimal place.
- 2Vectors2 marks
a is the column vector (6, 7) and b is (2, -5). Work out a + b as a column vector.
- 3Probability Trees3 marks
6 of 10 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 74. Work out the range.
- 5Error Intervals2 marks
A number y is 61 when truncated to the nearest whole number. Write down the error interval for y.
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