Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

24th August 2012

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

1
Conditional Probability3 marks
23 students study Spanish and 10 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 moth population of a meadow. State one assumption the method relies on.
3
Bounds2 marks
A mass is 220 kg, correct to the nearest 10. Write down the upper bound.
4
Inequalities on Graphs3 marks
Does the point (-3, -5) satisfy y > 2x + 5?
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 4, y = 12. Work out y when x = 15.

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