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Compute the average number of weeks that banner ads

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Reference no: EM131695674

Question: The average number of weeks that banner ads run at a Web site is estimated to be 5.5. You want to check the accuracy of this estimate. A sample of 50 ads reveals a sample average of 5.1 weeks with a sample standard deviation of 2.3 weeks. State the null and alternative hypotheses and carry out the test at the 5% level of significance.

Reference no: EM131695674

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