Answer:
In order to express the results as a percent, divide the nutrient content (which is expressed in ppm) by 10,000. For example, if the reported value for P2O5 is 2,690 ppm, the calculation to convert to percent would be: 2,690 ppm ÷ 10,000 = 0.269%.
Answer:
The answer is A: Yes, all conditions have been met.
Random: Stated
Independent: None of the samples are greater then 10 percent of total population
Normal: n>30 so its assumed to be normal.
Sample sizes don't have to be the same unless it is a Matched pair test.
Explanation: