for each of the following situations: (c) n=75, x¯=18.4, s=2.88 ____ ≤μ≤. ____ (d) n=100, x¯=51.7, s=2.45 ____ ≤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:

(c)    n=75, x¯=18.4, s=2.88
         ____      ≤μ≤.     ____

(d)    n=100, x¯=51.7, s=2.45
         ____      ≤μ≤.     ____

 

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