Daily Practice · Higher

Daily Practice - Higher

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

3rd February 2014

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

1
Conditional Probability3 marks
18 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
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 56 values. What cumulative frequency do you read across from to estimate the lower quartile?
3
Bounds2 marks
A mass is 630 kg, correct to the nearest 10. Write down the upper bound.
4
Inequalities on Graphs3 marks
Does the point (3, -5) satisfy y > -3x - 1?
5
Repeated Percentage Change3 marks
A price rises by 20% and then falls by 15%. Work out the overall percentage change, to 2 decimal places.

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