Essay
A researcher wants to determine the proportion of elm trees in Windsor, Ontario, dying of Dutch elm disease. Past experiments, based on large sample sizes, have shown this proportion to be 0.3. What sample size does the researcher need in order to estimate this proportion to within 0.04 with 95% confidence? Justify your conclusion.
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(0.3)(0.7) = 504.2...View Answer
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Correct Answer:
Verified
(0.3)(0.7) = 504.2...View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
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