Daily Practice · Higher

Daily Practice - Higher

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

17th March 2006

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

1
Conditional Probability3 marks
9 students study Spanish and 5 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
Reverse Percentages3 marks
A bill is £720 including VAT at 20%. Work out the amount before VAT.
4
Inequalities on Graphs3 marks
Does the point (-3, -4) satisfy y > -2x - 6?
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 3, y = 24. Work out y when x = 11.

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