Engineering, 13.11.2019 21:31 musicqueen360
Determine the decision criterion for rejecting the null hypothesis in the given hypothesis test; i. e., describe the values of the test statistic that would result in rejection of the null hypothesis. we wish to compare the means of two populations using paired observations. suppose that dequals=3.125, s subscript dsdequals=2.911, and nequals=8, and that you wish to test the hypothesis below at the 10% level of significance. what decision rule would you use? upper h 0h0: mu subscript dμdequals=0 against upper h 1h1: mu subscript dμdgreater than> 0
Answers: 2
Engineering, 04.07.2019 18:20
Air is compressed isentropically from an initial state of 300 k and 101 kpa to a final temperature of 1000 k. determine the final pressure using the following approaches: (a) approximate analysis (using properties at the average temperature) (b) exact analysis
Answers: 1
Engineering, 04.07.2019 18:20
Avolume of 2.65 m3 of air in a rigid, insulated container fitted with a paddle wheel is initially at 264 k, 5.6 bar. the air receives 432 kj by work from the paddle wheel. assuming the ideal gas model with cv = 0.71 kj/kg • k, determine for the air the amount of entropy produced, in kj/k
Answers: 2
Engineering, 04.07.2019 18:20
Asimple rankine cycle uses water as the working fluid. the water enters the turbine at 10 mpa and 480c while the condenser operates at 6 kpa. if the turbine has an isentropic efficiency of 80 percent while the pump has an isentropic efficiency of 70 percent determine the thermal efficiency
Answers: 1
Determine the decision criterion for rejecting the null hypothesis in the given hypothesis test; i....
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