John works in a factory as a Quality Expert and is responsible for doing quality product testing before the finished products are sent to the customers. John takes a sample of 10 from a batch of 1000 items and begins quality testing the products.

1. If the products fail the test, what should happen next? Do not indicate accept or reject either hypotheses. Instead, indicate what should happen to the product.
2. If the products test OK, what should happen next? Do not indicate accept or reject either hypotheses. Instead, indicate what should happen to the product.
3. The sample products all failed the quality test. However, John later found that the equipment was faulty and all the products should have passed. What type of error is this?
4. The sample products all pass the quality test. However, John took some short cuts in testing and all the products should have failed the quality testing. What type of error is this?

Answer rating: 100% (QA)

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