Last Wednesday, a random sample of 24 students were surveyed to

find how long it takes to walk from the Fretwell Building to the

college of education building. The survey team found a sample mean

of 12.3 minutes with a standard deviation of 3.2 minutes. assuming

walking time from Fretwell to College of education are normally

distribution, which of the following is the correct 95% confidence

interval for the population mean of walking times. A) 12.3LaTeX:

/pmLaTeX:Â±LaTeX:Â±(1.645)(LaTeX:

/frac{3.2}{/sqrt{24}}LaTeX:3.224âˆšLaTeX:3.224) B) 12.3LaTeX:

/pmLaTeX:Â±LaTeX:Â±(1.90)(LaTeX:

/frac{3.2}{/sqrt{24}}LaTeX:3.224âˆšLaTeX:3.224) C) 12.3LaTeX:

/pmLaTeX:Â±LaTeX:Â±(1.28)(LaTeX:

/frac{3.2}{/sqrt{24}}LaTeX:3.224âˆšLaTeX:3.224) D) 12.3LaTeX:

/pmLaTeX:Â±LaTeX:Â±(2.575)(LaTeX:

/frac{3.2}{/sqrt{24}}LaTeX:3.224âˆšLaTeX:3.224) E) 12.3LaTeX:

/pmLaTeX:Â±LaTeX:Â±(1.96)(LaTeX:

/frac{3.2}{/sqrt{24}}LaTeX:3.224âˆšLaTeX:3.224) A E B C