For the question (2), please a. Formulate the null and alternative hypotheses. b. Calculate the expected results for the hypothesis test assuming the null hypothesis is true and determine the hypothesis test model. c. Label the diagram with mean, level of significance, reject and fail to reject area. d. Formulate the decision rule. e. Use the experimental outcome to determine the conclusion. f. Answer the question addressed in the problem. (2) The IRS claims that the mean amount of time it takes to transfer tax information from a tax return to a computer record is 35 minutes. Before they will invest into a new system, they decide to do a test run to determine if the new system is significantly better than the present system. Four hundred tax returns are randomly selected and the data is transferred using the new system. The mean amount of time it takes to transfer the data from a tax return to a computer record is 34.3 minutes with standard deviation of 4.2 minutes. Based upon this sample result should the IRS invest in the new system? (use level of significant at 5%) *please show all work
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