Daily Practice

Foundation Plus

30th December 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 0.2. It is thrown 500 times. How many heads would you expect?
2
Box Plots2 marks
A box plot has minimum 14, lower quartile 17, median 27, upper quartile 29 and maximum 37. Work out the interquartile range.
3
Standard Form2 marks
Write 6550 in standard form.
4
Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = 24/x, work out y when x = -2, and write down the equation of its vertical asymptote.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 7 : 9. Write y in terms of x.

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