Daily Practice

Higher

4th September 1962

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
30 students study Spanish and 11 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Capture Recapture3 marks
35 voles are marked and released. Later 40 are caught, of which 5 are marked. Estimate the population.
3
The Product Rule for Counting3 marks
A code is 2 letters (A to Z) followed by 4 digits (0 to 9), and repeats are allowed. How many codes are possible?
4
Solving Quadratics3 marks
Solve x^2 - 15x + 56 = 0.
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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