To find the probability that a randomly selected cow from Farm B has its feed include seaweed, we need to use the data specific to Farm B.
We start by identifying the relevant figures from the table for Farm B:
- Total number of cows at Farm B: 114
- Number of cows at Farm B with seaweed in their feed: 74
The formula for probability is given by:
[tex]\[ \text{Probability} = \frac{\text{Number of favorable outcomes}}{\text{Total number of possible outcomes}} \][/tex]
In this context:
- The "Number of favorable outcomes" is the number of cows that are fed with seaweed at Farm B, which is 74.
- The "Total number of possible outcomes" is the total number of cows at Farm B, which is 114.
Applying these numbers to the probability formula:
[tex]\[ \text{Probability} = \frac{74}{114} \][/tex]
When we calculate this fraction, we get:
[tex]\[ \frac{74}{114} \approx 0.649 \][/tex]
Hence, the probability that a randomly selected cow from farm B has its feed include seaweed is approximately 0.649.
Thus, the correct answer is:
C. 0.649