Daily Practice · Foundation Plus

Daily Practice - Foundation Plus

16th July 1991

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 0.2. It is thrown 50 times. How many heads would you expect?
2
Box Plots2 marks
A box plot has minimum 12, lower quartile 18, median 28, upper quartile 33 and maximum 39. Work out the interquartile range.
3
Standard Form2 marks
Write 1420 in standard form.
4
Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = 20/x, work out y when x = 4, and write down the equation of its vertical asymptote.
5
Compound Interest and Depreciation3 marks
£2700 is invested at 5% compound interest per year. Work out the value after 3 years, to the nearest penny.

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