Give a 99.9% confidence interval, for μ1−μ2μ1-μ2 given the following information. n1=45n1=45, ¯x1=2.66x¯1=2.66, s1=0.34s1=0.34 n2=25n2=25, ¯x2=2.89x¯2=2.89, s2=0.71s2=0.71  ±±  Use Technology Rounded to 2 decimal places.

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Give a 99.9% confidence interval, for μ1−μ2μ1-μ2 given the following information.

n1=45n1=45, ¯x1=2.66x¯1=2.66, s1=0.34s1=0.34
n2=25n2=25, ¯x2=2.89x¯2=2.89, s2=0.71s2=0.71

 ±±  Use Technology Rounded to 2 decimal places.

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