Daily Practice

Foundation Plus

28th June 1984

5 questions · 11 marks · Grades 4-6 · 128 question types in this band

1
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.4. It is thrown 50 times. How many heads would you expect?
2
Box Plots2 marks
A box plot has minimum 1, lower quartile 9, median 16, upper quartile 22 and maximum 28. Work out the interquartile range.
3
Standard Form2 marks
Write 253000 in standard form.
4
Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = 8/x, work out y when x = -1, and write down the equation of its vertical asymptote.
5
Speed and Density2 marks
A block has volume 155 cm^3 and density 4 g/cm^3. Work out its mass.

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