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The CEO of a large electric company currently believes less than 80% of his customers ever have a negative experience with their service. A

The CEO of a large electric company currently believes less than 80% of his customers ever have a negative experience with their service. A local news team want to know if this is true, and they survey 100 customers using a simple random sample. 73 customers say they have never had a negative experience with the service they receive. Perform a hypothesis test at the 1% significance level. Show all your work.

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