Daily Practice - Higher
6th February 1995
- 1Spheres and Cones3 marks
A cone has base radius 4 cm and vertical height 9 cm. Work out its volume, leaving your answer in terms of pi.
- 2Probability Trees3 marks
A bag holds 4 red and 3 blue counters. Two are taken without replacement. Work out the probability both are red.
- 3Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 200 values. What cumulative frequency do you read across from to estimate the lower quartile?
- 4Fractional and Negative Indices3 marks
Work out 16^(3/2).
- 5Inequalities on Graphs2 marks
A region is defined by y < 2x - 6. Should the boundary line be solid or dashed, and why?
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