Daily Practice

Foundation Plus

29th November 1989

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 100 times. How many heads would you expect?
2
Box Plots2 marks
A box plot has minimum 3, lower quartile 12, median 22, upper quartile 25 and maximum 27. Work out the interquartile range.
3
Standard Form2 marks
Write 0.000245 in standard form.
4
Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = -20/x, work out y when x = -2, and write down the equation of its vertical asymptote.
5
Percentages2 marks
Hassan scored 17 out of 25 in a test. What percentage is this?

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