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To construct a confidence interval using the given confidencelevel, do whichever of the following is appropriate.(a) Find the critical value z/2, (b) find the critical

To construct a confidence interval using the given confidencelevel, do whichever of the following is appropriate.(a) Find the critical value z/2, (b) find the critical value t/2, or(c) state that neither the normal nor the t distribution applies.

95%; n=300; =11.0; population appears to be skewed?

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