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QUESTION 5 A sample of 225 elements from a population with a standard deviation of 75 is selected. The sample mean is 180. Th
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801 5 n=825 5-75 x = 180 95% con confidence Internal 도 x t ze XT vn (182 180 +1.96 x 75 vaa5 = (180 I 9.8 ALS = (170:2, 18908

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