Daily Practice - Foundation Plus
Grades 4-6 - the Foundation / Higher crossover zone.
- 1Percentages2 marks
Work out 20% of 240.
- 2Vectors2 marks
a is the column vector (0, 6) and b is (3, 5). Work out a + b as a column vector.
- 3Probability Trees3 marks
3 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Capture Recapture3 marks
35 newts are marked and released. Later 16 are caught, of which 4 are marked. Estimate the population.
- 5Error Intervals2 marks
A number y is 36 when truncated to the nearest whole number. Write down the error interval for y.
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