Daily Practice

Foundation Plus

2nd February 1981

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
Averages from Frequency Tables2 marks
Grouped data has five classes of width 10, the first being 40 < x <= 50. The frequencies in order are 7, 21, 11, 16, 3. Write down the modal class.
3
Standard Form2 marks
Write 0.000023 in standard form.
4
Inequalities on Graphs3 marks
Does the point (3, 13) satisfy y > 3x + 7?
5
Repeated Percentage Change3 marks
A town's population is 2000 and grows by 3% each year. Work out the population after 3 years, to the nearest whole number.

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