Daily Practice

Foundation Plus

15th June 1990

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 0.15. It is thrown 100 times. How many heads would you expect?
2
Box Plots2 marks
A box plot has minimum 6, lower quartile 13, median 21, upper quartile 31 and maximum 36. Work out the interquartile range.
3
Standard Form2 marks
Write 0.00098 in standard form.
4
Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = 40/x, work out y when x = -5, and write down the equation of its vertical asymptote.
5
Proportion2 marks
7 identical cupcakes cost £13.30. Work out the cost of 11 of the same cupcakes.

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