Daily Practice

Foundation Plus

11th September 1980

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 0.25. It is thrown 50 times. How many heads would you expect?
2
Box Plots2 marks
A box plot has minimum 8, lower quartile 18, median 27, upper quartile 34 and maximum 42. Work out the interquartile range.
3
Standard Form2 marks
Write 7030 in standard form.
4
Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = -90/x, work out y when x = -10, and write down the equation of its vertical asymptote.
5
Speed and Density2 marks
A block has volume 135 cm^3 and density 2.5 g/cm^3. Work out its mass.

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