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culbertchristi4887
20.06.2020 •
Mathematics
Suppose a researcher is estimating the proportion of trees showing signs of disease in a local forest. They randomly sample 150 trees and find that 25 of them show signs of disease. Calculate the 95% confidence interval for p, the proportion of all trees in the forest showing signs of disease.
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Ответ:
And the 95% confidence interval would be given (0.107;0.227).
Step-by-step explanation:
Information given
The confidence interval for the true proportion would be given by this formula
For the 95% confidence interval the significance is
and
, and the critical value would be
And replacing we got:
And the 95% confidence interval would be given (0.107;0.227).
Ответ: