Daily Practice · Higher

Daily Practice - Higher

2nd September 1992

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

1
Conditional Probability3 marks
15 students study Spanish and 10 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Cumulative Frequency2 marks
Four classes in order have frequencies 8, 6, 6, 5. Write down the cumulative frequency at the end of the third class.
3
The Product Rule for Counting3 marks
A code is 2 letters (A to Z) followed by 4 digits (0 to 9), and repeats are allowed. How many codes are possible?
4
Inequalities on Graphs3 marks
Does the point (4, 22) satisfy y > 3x + 8?
5
Speed and Density2 marks
A block has volume 140 cm^3 and density 3 g/cm^3. Work out its mass.

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