A Comparative Study of Organic and Conventionally Grown Produce Was $\begin{array}{llc}&\text {Sample Size}&\text {E. Coli Prevalence}\\\text { Organic } & 200 & 3 \\\text { Connentional } & 500 & 20\end{array}$

Short Answer

A comparative study of organic and conventionally grown produce was checked for the presence of E. coli. Results are summarized below. Is there a significant difference in the proportion of E. Coli in organic vs. conventionally grown produce? Test at ? = 0.10.
$\begin{array}{llc}&\text {Sample Size}&\text {E. Coli Prevalence}\\\text { Organic } & 200 & 3 \\\text { Connentional } & 500 & 20\end{array}$