One metric ton is equal to 1000 Kilograms
Answer:
95% confidence interval: (0.325 ,0.383)
Step-by-step explanation:
We are given the following in the question:
Sample size, n = 231
Sample mean = 0.354 ppm
Sample standard deviation = 0.231 ppm
95% confidence interval:
Putting the values, we get,
The answer is 2160. Do you need the steps ?
I think it is c, because the probability is the littlest thing and you add most of it, you are welcome my boy