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A sample of 49

Question

A sample of 49
style=”color:rgb(0,0,0);background-color:transparent;”>49 statistics students at a small college had a mean mathematics ACT score of 28
28 with a standard deviation of 4
4. Find the​ 95% confidence interval. Round to two decimal places.A.27.43
27.43less than
<mu
μless than
<28.57
28.57B.47.49
47.49less than
<mu
μless than
<50.51
50.51C.27.84
27.84less than
<mu
μless than
<28.16
28.16D.26.86
26.86less than
<mu
μless than
<29.14

 
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