Reading proficiency: An educator wants to construct a 98% confidence interval for the proportion of elementary school ch

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Reading proficiency: An educator wants to construct a 98% confidence interval for the proportion of elementary school ch

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Reading Proficiency An Educator Wants To Construct A 98 Confidence Interval For The Proportion Of Elementary School Ch 1
Reading Proficiency An Educator Wants To Construct A 98 Confidence Interval For The Proportion Of Elementary School Ch 1 (41.68 KiB) Viewed 44 times
Reading proficiency: An educator wants to construct a 98% confidence interval for the proportion of elementary school children in Colorado who are proficient in reading. Part: 0 / 3 Part 1 of 3 (a) The results of a recent statewide test suggested that the proportion is 0.78. Using this estimate, what sample size is needed so that the confidence interval will have a margin of error of 0.03? A sample of elementary school children is needed to obtain a 98% confidence interval with a margin of error of 0.03. X
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