Daily Practice · Higher

Daily Practice - Higher

9th December 1994

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

1
Conditional Probability3 marks
10 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 ladybird population of a garden. State one assumption the method relies on.
3
Bounds2 marks
A mass is 19.3 kg, correct to 1 decimal place. Write down the upper bound.
4
Quadratic Formula3 marks
Use the quadratic formula to solve x^2 + 8x + 11 = 0, to 2 decimal places.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 6, y = 60. Work out y when x = 11.

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