Daily Practice

Foundation Plus

29th August 1986

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 200 times. How many heads would you expect?
2
Box Plots2 marks
A box plot has minimum 9, lower quartile 19, median 25, upper quartile 27 and maximum 33. Work out the interquartile range.
3
Standard Form2 marks
Write 83100 in standard form.
4
Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = -2/x, work out y when x = 2, and write down the equation of its vertical asymptote.
5
Proportion2 marks
4 identical cupcakes cost £6.20. Work out the cost of 11 of the same cupcakes.

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