Daily Practice

Foundation Plus

28th August 1988

5 questions · 12 marks · Grades 4-6 · 128 question types in this band

1
Real Life and Distance Time Graphs2 marks
Zara drives 200 km in 4 hours. Work out the average speed in km/h.
2
Vectors2 marks
a is the column vector (-8, 7) and b is (2, 0). Work out a + b as a column vector.
3
Probability Trees3 marks
1 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Capture Recapture3 marks
35 fish are marked and released. Later 72 are caught, of which 6 are marked. Estimate the population.
5
Error Intervals2 marks
A number y is 26 when truncated to the nearest whole number. Write down the error interval for y.

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