Daily Practice

Foundation Plus

18th January 1977

5 questions · 13 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 500 times. How many heads would you expect?
2
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 128 values. What cumulative frequency do you read across from to estimate the lower quartile?
3
Standard Form2 marks
Write 0.000083 in standard form.
4
Substitution3 marks
Use v = u + at with u = 8, a = 6 and t = 4. Work out v.
5
Compound Interest and Depreciation3 marks
£1700 is invested at 2.5% compound interest per year. Work out the value after 4 years, to the nearest penny.

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