The answer to tgis is going to be B .i think
Answer:
1. It reduces the probability of sampling bias.
2. A random sample will be more representative of the whole population.
3. Allows the researcher to determine the efficacy of the fertilizer.
Explanation:
Selecting a simple random simple from a large population is a widely used method in science. Researchers select a random sample so every individual, in this case seedling, has an equal chance to be selected.
Therefore, it is an accurate method that, although is not free from errors, avoids or reduces the probability of sampling bias. Selecting a truly random tomato seedling will be more representative of the whole population of seedling instead of selecting carefully a seedling that already has specific or desired characteristics. Hence, this random sampling will allow the researcher to determine the efficacy of the fertilizer.
Answer:
The technologies that helped increase productivity is system
Answer:
To calculate profit, producers subtract total costs from total income.
Explanation:
This is a basic premise of cost theory. Total revenue is obtained by multiplying the price by the quantity sold. The total cost is the multiplication of the cost of each unit by the quantity.
Profit is the decrease in revenue by cost.