Daily Practice

Foundation Plus

20th April 1958

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

1
Real Life and Distance Time Graphs2 marks
Bea drives 150 km in 3 hours. Work out the average speed in km/h.
2
Vectors2 marks
a is the column vector (2, -1) and b is (-2, -3). Work out a + b as a column vector.
3
Probability Trees3 marks
1 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Capture Recapture3 marks
15 voles are marked and released. Later 12 are caught, of which 2 are marked. Estimate the population.
5
Error Intervals2 marks
A number y is 79 when truncated to the nearest whole number. Write down the error interval for y.

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