Question: 4. In order to find 89% confidence interval we need to find values a and b such that for Z ~ N(u = 0,0 =

4. In order to find 89% confidence interval we need to
find values a and b such that for Z ~ N(u =

4. In order to find 89% confidence interval we need to find values a and b such that for Z ~ N(u = 0,0 = 1) Pla

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