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Question
A comparative study of organic and conventionally grown produce checked for the presence of E. coli. Results are summarized below. Is there a significant difference in the proportion of E. Coli in organic versus conventionally grown produce? Test at
= 0.10.| Sample Size | E. Coli Prevalence | |
| Organic | 200 | 3 |
| Conventional | 500 | 20 |
Answer
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