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Mathematics, 29.02.2020 02:03 afitzgerald

The Mean Corporation's statisticians would like to construct a hypothesis test for the mean annual profit (μ) earned by health-drink franchises. A random sample of 60 franchises were chosen and their annual profit for the previous financial year was recorded. The mean annual profit for the sample was calculated as $90,300. The hypotheses that will be used by the statisticians are H0: μ = 89,000 and Ha: μ > 89,000.a. Calculate the test statistic (z) that corresponds to the sample and hypotheses.

Give your answer to 3 decimal places. z =

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