Daily Practice

Foundation Plus

6th February 1972

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

1
Real Life and Distance Time Graphs2 marks
Callum drives 67.5 km in 1.5 hours. Work out the average speed in km/h.
2
Vectors2 marks
a is the column vector (-8, -5) and b is (-2, -2). Work out a + b as a column vector.
3
Probability Trees3 marks
3 of 9 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Scatter Graphs2 marks
A scatter graph plots the temperature outside and the number of hot drinks sold. What type of correlation would you expect?
5
Error Intervals2 marks
A number y is 29 when truncated to the nearest whole number. Write down the error interval for y.

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