Daily Practice

Foundation Plus

12th October 1981

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 0.15. It is thrown 50 times. How many heads would you expect?
2
Box Plots2 marks
A box plot has minimum 10, lower quartile 18, median 27, upper quartile 34 and maximum 41. Work out the interquartile range.
3
Standard Form2 marks
Write 0.000613 in standard form.
4
Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = 90/x, work out y when x = 10, and write down the equation of its vertical asymptote.
5
Repeated Percentage Change3 marks
A town's population is 26500 and grows by 8% each year. Work out the population after 6 years, to the nearest whole number.

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