The manager of a company wants to check the inventory records against the physical inventories by a sample check. At 95 per cent level of confidence, he wants that the maximum sampling error should...

Extracted text: The manager of a company wants to check the inventory records against the physical inventories by a sample check. At 95 per cent level of confidence, he wants that the maximum sampling error should not be more than 10 per cent above or below the true proportion of the inaccurate records. The proportion ef inaccurate records is estimated at 25 per cent from past experience. Determine the sample size.