Daily Practice

Foundation Plus

26th January 1979

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 0.2. It is thrown 200 times. How many heads would you expect?
2
Box Plots2 marks
A box plot has minimum 2, lower quartile 9, median 12, upper quartile 14 and maximum 16. Work out the interquartile range.
3
Standard Form2 marks
Write 47400000 in standard form.
4
Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = -10/x, work out y when x = 10, and write down the equation of its vertical asymptote.
5
Proportion2 marks
4 identical pens cost £8.80. Work out the cost of 3 of the same pens.

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