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Mathematics, 02.12.2019 23:30 jessicaflower277

Faced with rising fax costs, a firm issued a guideline that transmissions of 7 pages or more should be sent by 2-day mail instead. exceptions are allowed, but they want the average to be 7 or below. the firm examined 24 randomly chosen fax transmissions during the next year, yielding a sample mean of 8.52 with a standard deviation of 3.81 pages. find the test statistics.

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