Answer:
Step-by-step explanation:
The required estimate is
90 woods saved by 10 new stoves adopted
Hence the required estimate is 9 woods saved per new stove adopted.
Data from the pilot study will enable this project to qualify for carbon credits if we are 90% confident that the data values from the pilot study fall within [8.1 - 9.9] woods saved per new stove adopted.
The lower and upper limits are derived from the margin of error, which is 10%.
9-0.9 = 8.1
9+0.9 = 9.9
On the other hand, if less than 90% of the values from the pilot study fall within this range, then the data from the study will no enable the project to qualify for carbon credits.