Pier 1 Imports is a nationwide retail outlet selling imported furniture and other home items. From time to time, the company surveys its regular customers by obtaining random samples based on customer zip codes. In one mailing, customers were asked to rate a new table from Thailand on a scale of 0 to 100. The ratings of 25 randomly selected customers are as follows: 78, 85, 80, 89, 77, 50, 75, 90, 88, 100, 70, 99, 98, 55, 80, 45, 80, 76, 96, 100, 95, 90, 60, 85, 90. Give a 99% confidence interval for the rating of the table that would be given by an average member of the population of regular customers. Assume normality.

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