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Let x1, x2, **** Xn be a random sample of size n = 25 from a normal distribution with variance o =25 Consider testing

 

Let x1, x2, **** Xn be a random sample of size n = 25 from a normal distribution with variance o =25 Consider testing HO: = 10 against H1: > 10: Assume you get x=11.25. What sample size is required if it is desired to construct a 95% confidence for u with a margin error equal to 3? A. 33 B.11 C.25 D.100

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