Answer:
Yes, this is a valid inference because she took a random sample of the neighborhood.
Step-by-step explanation:
As we can see, Sue's survey was perfectly random and without any prejudice.
18% of the families, according to her research, would volunteer at the shelter. According to her, 18% of the local households should be required to volunteer at the animal shelter.
Therefore, given that she chose a representative sample of the area, her conclusion is valid.
<span>16.1428571 = mean
3.563 = standard deviation
</span>
-12x-20-40plus 16x
-4x plus -60
{\rtf1\ansi\ansicpg1252\cocoartf2512
\cocoatextscaling1\cocoaplatform1{\fonttbl\f0\fnil\fcharset0 HelveticaNeue;}
{\colortbl;\red255\green255\blue255;\red60\green64\blue67;}
{\*\expandedcolortbl;;\cssrgb\c23529\c25098\c26275;}
\deftab720
\pard\pardeftab720\partightenfactor0
\f0\fs28 \cf2 \expnd0\expndtw0\kerning0
\outl0\strokewidth0 \strokec2 \
\
\
\
}
