Daily Practice · Higher

Daily Practice - Higher

20th September 1991

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

1
Conditional Probability3 marks
14 students study Spanish and 6 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Capture Recapture2 marks
A capture-recapture estimate is made of the snail population of a hedgerow. State one assumption the method relies on.
3
Standard Form2 marks
Work out (7 x 10^5) x (2 x 10^-2). Give your answer in standard form.
4
Solving Quadratics3 marks
Solve x^2 + 2x - 15 = 0.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 2, y = 4. Work out y when x = 14.

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