Question
A researcher in campaign finance law wants to estimate the proportion of elementary, middle, and high school teachers who contributed to a candidate during a
A researcher in campaign finance law wants to estimate the proportion of elementary, middle, and high school teachers who contributed to a candidate during a recent election cycle. Given that no prior estimate of the population proportion is available, what is the minimum sample size such that the margin of error is no more than 0.05 for a 99% confidence interval?
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Authors: James T. McClave, Terry T Sincich
12th Edition
9780321831088, 321755936, 032183108X, 978-0321755933
