6 Referring to Problem 2, suppose a new machine was installed recently, and a random sample of 25 rivets produced yielded an average of the diameters of X 0 255 Test at the 5 level of significance H0 0 25 versus H1 0 25 As in Problem 2, assume that the diameters of rivets produced by the recently installed machine are distributed as N(, (0 0015)2) What is the power of the test at 0 251

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Question: 6. Referring to Problem 2, suppose a new machine was installed recently, and a random sample of 25 rivets produced yielded an average of the

6. Referring to Problem 2, suppose a new machine was installed recently, and a random sample of 25 rivets produced yielded an average of the diameters of ¯X = 0.255. Test at the 5% level of significance:H0: μ = 0.25 versus H1: μ > 0.25. As in Problem 2, assume that the diameters of rivets produced by the recently installed machine are distributed as N(μ, (0.0015)2). What is the power of the test at μ = 0.251?

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