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From past experience, a qualified operator on a certain machine, producing 400 items per day, produces 20 or fewer defective itemsper day. A new operatoris hired to run the same machine and this new hire is assumed to be qualified. In one day’s production, the new operator has 34 defectives in a 400 item day. If alpha equals 0.05, what should you conclude about the assumption the new operator is qualified?
