Answer:
The correct answer is: 95% confident the average concentration of PCBs in the water supply is between 2.4 ppb and 3.6 ppb.
Step-by-step explanation:
Answer:
6 Batches, 48 cups
Step-by-step explanation:
The third equation is the correct one. After 100 years, about 115 grams will remain.
Answer:
36
Step-by-step explanation:
The answer would be 36 :)