The Academic House Publishing Company sends out the textbooks it publishes to an independent book binder. When the bound books come back, they are inspected for defective bindings (e.g., warped boards, ripples, cuts, poor adhesion). The publishing company has an acceptable quality level of 4% defectives but will tolerate lots of up to 10% defective. What (approximate) sample size and acceptance level would result in a probability of 0.05 that a good lot will be rejected and a probability of 0.10 that a bad lot will be accepted?
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