Daily Practice · Foundation Plus

Daily Practice - Foundation Plus

1st March 1995

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

1
Percentages2 marks
Work out 20% of 260.
2
Vectors2 marks
a is the column vector (0, 0) and b is (6, -1). Work out a + b as a column vector.
3
Probability Trees3 marks
1 of 5 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Capture Recapture3 marks
40 beetles are marked and released. Later 96 are caught, of which 8 are marked. Estimate the population.
5
Error Intervals2 marks
A number y is 88 when truncated to the nearest whole number. Write down the error interval for y.

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