A random sample of ?n measurements was selected from a population with unknown mean ?μ and standard deviation σ. Calculate a 95% confidence interval for μ for each of the following situations: (a)    n=95, x¯=47.9, s=3.79         _____      ≤μ≤.      ____ (b)    n=95, x¯=54.3, s=4.52         _____      ≤μ≤.      ____

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A random sample of ?n measurements was selected from a population with unknown mean ?μ and standard deviation σ. Calculate a 95% confidence interval for μ for each of the following situations:

(a)    n=95, x¯=47.9, s=3.79
        _____      ≤μ≤.      ____

(b)    n=95, x¯=54.3, s=4.52
        _____      ≤μ≤.      ____

 

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