Hypotheses test for a population mean

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Reference no: EM1315098

Faced with rising fax costs, a firm issued a guideline that transmissions of 10 pages or more should be sent by 2-day mail instead. Exceptions are allowed, but they want the average to be 10 or below. The firm examined 35 randomly chosen fax transmissions during the next year, yielding a sample mean of 14.44 with a standard deviation of 4.45 pages.

At the .01 level of signiicance, is the true mean greater than 10?

Reference no: EM1315098

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