Daily Practice · Higher

Daily Practice - Higher

29th June 1993

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

1
Conditional Probability3 marks
12 students study Spanish and 3 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Capture Recapture3 marks
60 voles are marked and released. Later 77 are caught, of which 7 are marked. Estimate the population.
3
Bounds2 marks
A mass is 5 kg, correct to the nearest whole number. Write down the upper bound.
4
Quadratic Formula3 marks
Use the quadratic formula to solve x^2 + 7x + 4 = 0, to 2 decimal places.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 4 : 5. Write y in terms of x.

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