To find the percentage of farmers with rocky soil who prefer producing carrots, we can use relative frequencies based on the information provided in the table.
We need to determine the number of farmers who prefer carrots and have rocky soil:
- Farmers with rocky soil who prefer carrots: 100
- Farmers who prefer carrots in total: 220
Now, we can calculate the percentage of farmers who prefer carrots that have rocky soil as follows:
\[ \text{Percentage} = \left( \frac{\text{Farmers with rocky soil who prefer carrots}}{\text{Total farmers who prefer carrots}} \right) \times 100 \]
Substituting the known values:
\[ \text{Percentage} = \left( \frac{100}{220} \right) \times 100 \]
Calculating the fraction:
\[ \frac{100}{220} = 0.4545 \]
Now converting to percentage:
\[ 0.4545 \times 100 = 45.45 \]
Rounding to the nearest tenth, we get 45.5%.
Thus, the answer is 45.5%.