Daily Practice

Foundation Plus

15th May 1960

5 questions · 11 marks · Grades 4-6 · 128 question types in this band

1
Real Life and Distance Time Graphs2 marks
Oliwia drives 150 km in 2.5 hours. Work out the average speed in km/h.
2
Vectors2 marks
a is the column vector (-3, -2) and b is (8, -7). Work out a + b as a column vector.
3
Probability Trees3 marks
3 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Averages from Frequency Tables2 marks
Grouped data has five classes of width 5, the first being 10 < x <= 15. The frequencies in order are 11, 16, 3, 21, 7. Write down the modal class.
5
Error Intervals2 marks
A number y is 85 when truncated to the nearest whole number. Write down the error interval for y.

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