(A) Assuming the supplier's claim is true, compute the mean and the standard deviation of the number of defective DVDs in the sample.
(B) Based on your answer to (A), is it likely that as many as six DVDs would be found to be defective, if the claim is correct?
(C) Suppose that six DVDs are indeed found to be defective. Based on your answer to (A), what might be a reasonable inference about the manufacturer's claim for this shipment of 10,000 DVDs?
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