Daily Practice

Foundation Plus

28th March 1976

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

1
Real Life and Distance Time Graphs2 marks
Finlay drives 160 km in 4 hours. Work out the average speed in km/h.
2
Vectors2 marks
a is the column vector (-7, 4) and b is (-3, -3). Work out a + b as a column vector.
3
Probability Trees3 marks
4 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Box Plots2 marks
A box plot has minimum 9, lower quartile 19, median 28, upper quartile 34 and maximum 43. Work out the interquartile range.
5
Error Intervals2 marks
A number y is 5 when truncated to the nearest whole number. Write down the error interval for y.

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