A photocopying machine produces copies

Reference no: EM131064271

A photocopying machine produces copies, 18 per cent of which are faulty. The supplier of the machine claims that by using a different type of paper the percentage of faulty copies will be reduced. If 45 are found to be faulty from a sample of 300 using the new paper, would you accept the claim of the supplier? Construct an appropriate test at the 5 per cent significance level.

Reference no: EM131064271

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