Daily Practice · Higher

Daily Practice - Higher

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

13th March 2009

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 fish population of a pond. State one assumption the method relies on.
3
The Product Rule for Counting2 marks
A meal deal has 4 mains, 7 sides and 6 drinks. How many different meals are possible?
4
Solving Quadratics3 marks
Solve x^2 + 10x + 21 = 0.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 4, y = 44. Work out y when x = 11.

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