Daily Practice

Foundation

4th September 2026

5 questions · Foundation tier · 282 questions in this band

1
Conditional Probability (Foundation)
A box has 4 chocolate and 6 plain biscuits. One biscuit is eaten (it was chocolate), then a second is taken at random. Find P(second is chocolate given first was chocolate).
2
Estimating from Samples (Foundation)
A sample of 80 light bulbs from a batch of 2000 found 4 were faulty. Estimate the number of faulty bulbs in the whole batch.
3
Spreadsheets and ICT (Foundation)
Which spreadsheet formula would you use to find how many values are in the range C1 to C50?
4
Stratified Sampling (Foundation)
A college has 120 Maths students, 80 Science students and 100 English students (300 total). A stratified sample of size 60 is needed. Find the number sampled from each subject.
5
Pilot Surveys (Foundation)
Give one reason a researcher would carry out a pilot survey.

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