Daily Practice

Higher

17th June 1969

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
4 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Capture Recapture3 marks
45 fish are marked and released. Later 72 are caught, of which 8 are marked. Estimate the population.
3
Bounds2 marks
A mass is 3.6 kg, correct to 1 decimal place. Write down the lower bound.
4
Simultaneous Equations3 marks
4 teas and 3 cakes cost £10.75. 2 teas and 4 cakes cost £9.00. Find the price of a tea.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 5 : 9. Write y in terms of x.

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