Let x,... Xn be iid n(0,0%) where of is known. For each of the following hypotheses, write out the acceptance region of a level a (alpha) test and the 1-x confidence interval that results from inverting the test (a) Hoid=00 vs Hif #00 (b) Ho : 0100 VS. H₁: OLA (c) Ho: AZOO VS. H,:0> 00

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