Daily Practice

Foundation Plus

29th July 1985

5 questions · 12 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 50 times. How many heads would you expect?
2
Box Plots2 marks
A box plot has minimum 12, lower quartile 22, median 27, upper quartile 30 and maximum 39. Work out the interquartile range.
3
Standard Form2 marks
Write 0.000000687 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
Repeated Percentage Change3 marks
A town's population is 26000 and grows by 8% each year. Work out the population after 3 years, to the nearest whole number.

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