Question: A simple random sample of 300 items is selected from a large shipment, and testing reveals that 4% of the sampled items are defective. The

A simple random sample of 300 items is selected from a large shipment, and testing reveals that 4% of the sampled items are defective. The supplier claims that no more than 2% of the items in the shipment are defective. Carry out an appropriate hypothesis test and comment on the credibility of the supplier’s claim.

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