Question: Computer diskettes which do not meet the quality required for high density (1.44 Mb) diskettes are sold as double-density diskettes (720 kb) for 80 pence

Computer diskettes which do not meet the quality required for high density (1.44 Mb) diskettes are sold as double-density diskettes (720 kb) for 80 pence each. Highdensity diskettes are sold for £1.20 each. A firm samples 30 diskettes from each batch of 1000 and if any fail the quality test the whole batch is sold as double-density diskettes. What are the types of error possible and what is the cost to the firm of a Type I error?

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