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In wireworm survey the number of wireworms per acre is to be estimated with a limit of error of 30%, at the 95% probability level, in any field in which wireworm density…

Published by Admin on October 2, 2019

Question:

In wireworm survey the number of wireworms per acre is to be estimated with a limit of error of 30%, at the 95% probability level, in any field in which wireworm density exceeds 200,000 per acre in the top 5 in. of soil. The sampling tool measures 9 x 9 x 5 in. deep. Assuming that the number of wireworms in a single sample follows a distribution slightly more variable than the Poisson, we take S2 = 1.2Y. What size of simple random sample is needed? (1 acre = 43,560sq ft.)

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Answer 1

Answer:

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Answer 2

Answer:

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