Daily Practice

Foundation Plus

15th May 1989

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 6, lower quartile 10, median 15, upper quartile 22 and maximum 29. Work out the interquartile range.
3
Standard Form2 marks
Write 0.00132 in standard form.
4
Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = 36/x, work out y when x = -4, and write down the equation of its vertical asymptote.
5
Repeated Percentage Change3 marks
A town's population is 12500 and grows by 6% each year. Work out the population after 3 years, to the nearest whole number.

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