Daily Practice · Foundation Plus

Daily Practice - Foundation Plus

9th February 1992

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

1
Real Life and Distance Time Graphs2 marks
Ade drives 210 km in 3 hours. Work out the average speed in km/h.
2
Vectors2 marks
a is the column vector (6, -1) and b is (-3, 8). Work out a + b as a column vector.
3
Probability Trees3 marks
7 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 92 values. What cumulative frequency do you read across from to estimate the lower quartile?
5
Error Intervals2 marks
A number y is 38 when truncated to the nearest whole number. Write down the error interval for y.

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