4.9 Let X₁,,XN(0,0), where 0>0 is an unknown parameter. (i) Find a UMP test of size a for testing Ho:00 against H₁:0>00. (ii) Let n = 10 and 80 = 1. Find a UMP test of size α = 0.05 for testing Ho against H₁. Find he power of the test.

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