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25 July, 22:53

For a project to qualify for carbon credits, the required precision of estimates of the amount of wood saved per new stove adopted is 90/10. In other words, the margin of error of a 90% confidence interval can be no more than 10% of the value of the sample statistic. Will the data from the pilot study enable this project to qualify for carbon credits?

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  1. 25 July, 23:14
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    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.
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