The probability that a machine produces a defective component is 0.04.
The machine produces 500 components in one day.
Work out an estimate for the number of defective components produced.
Practise OCR GCSE Maths Probability with exam-style questions for Foundation and Higher tier. 100 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.