Daily Practice · Higher

Daily Practice - Higher

31st May 1996

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Spheres and Cones3 marks
A cone has base radius 8 cm and vertical height 12 cm. Work out its volume, leaving your answer in terms of pi.
2
Probability Trees3 marks
A bag holds 5 red and 4 blue counters. Two are taken without replacement. Work out the probability both are red.
3
Capture Recapture2 marks
A capture-recapture estimate is made of the beetle population of a woodland. State one assumption the method relies on.
4
Bounds2 marks
A mass is 160 kg, correct to the nearest 10. Write down the lower bound.
5
Inequalities on Graphs2 marks
A region is defined by y <= -4x - 1. Should the boundary line be solid or dashed, and why?

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