Question

Find the margin of error for the given values of c, s, and n. c 0.90, s-2.7, n 29 Click the icon to view the t-distribution table. The margin of error is . (Round to one decimal place as needed.)

Answer 1

1 ) The margin of error is ,

$ME=t_{\alpha/2,n-1}\frac{s}{\sqrt{n}}$

$=t_{0.10/2,29-1}\frac{2.7}{\sqrt{29}}$

$=1.7011*0.5014$ ; $t_{\alpha/2,n-1}=1.7011$ from excel "=TINV(0.1,28)

$=0.9$