For each of the following sample proportions and sample sizes, compute a 99% confidence interval for the population proportion using both the standard large-sample procedure and the WAC adjusted procedure. Comment in each case on whether or not the WAC adjustment was necessary. (a) n = 25; sample proportion = 0.40. (b) n = 50; sample proportion = 0.20.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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ISBN:9780079039897
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Chapter4: Equations Of Linear Functions
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For each of the following sample proportions and sample sizes, compute a 99% confidence interval for the population proportion using both the standard large-sample procedure and the WAC adjusted procedure. Comment in each case on whether or not the WAC adjustment was necessary.


(a) n = 25; sample proportion = 0.40.

(b) n = 50; sample proportion = 0.20.

 

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