week 3 connect problems

May 24th, 2016
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Assignment Print View1 of 15http://ezto.mheducation.com/hm.tpx?todo=printview5/21/2016 12:53 PMAssignment Print View2 of 15http://ezto.mheducation.com/hm.tpx?todo=printviewA sample of 40 observations is selected from a normal population. The sample mean is 31, and thepopulation standard deviation is 3. Conduct the following test of hypothesis using the 0.05 significancelevel.H0 : 30H1 : > 30a. Is this a one- or two-tailed test?"One-tailed"-the alternate hypothesis is greater than direction.b. What is the decision rule? (Round your answer to 3 decimal places.)RejectH0, when z > 1.645c. What is the value of the test statistic? (Round your answer to 2 decimal places.)Value of the test statistic2.11d. What is your decision regarding H0?RejectThere is sufficientevidence to conclude that the population mean is greater than 30.e. What is the p-value? (Round your answer to 4 decimal places.)p-value0.0174ReferencesWorksheetLearning Objective:10-05 Conduct a testof a hypothesis abouta population mean.A sample of 40 observations is selected from a normal population. The sample mean is 31, and thepopulation standard deviation is 3. Conduct the following test of hypothesis using the 0.05 significancelevel.H0 : 30H1 : > 30a. Is this a one- or two-tailed test?5/21/2016 12:53 PMAssignment Print View3 of 15http://ezto.mheducation.com/hm.tpx?todo=printview"One-tailed"-the alternate hypothesis is greater t

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