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(c) Under a large sample, given a, a hypothesis test for the mean, Ho : H = Ho vs. He: > Mo, fails to reject the null if & -1
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Complete solution for the problem can be found in the images below with all the necessary steps. The 100(1-027 Confidence interval for population mean (ie true mean) from the Cone-sided interval al), is! . x Sod () re Za Z & Za is Such that P(Z 7x)=a. ZnNc0;o). where 2 so e loo (1-a2 t C.Is lower bound i X - o za * Level & JJ كما وN ها we reject

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