Alice wants to estimate the percentage of people who plan on voting yes for the upcoming school levy. She surveys 380 individuals and finds that 260 plan on voting yes. Identify the values needed to calculate a confidence interval at the 90% confidence level. Then find the confidence interval. z0.10 z0.05 z0.025 z0.01 z0.005 1.282 1.645 1.960 2.326 2.576 Use the table of common z-scores above. Round the final answer to three decimal places. Provide your answer below: $p'=\ $p′= $\sigma_{p'}\ =\ $σp′ = $z_{\frac{\alpha}{2}}\ =\ $zα2 = (, )

Alice wants to estimate the percentage of people who plan on voting yes for the upcoming school levy. She surveys 380 individuals and finds that 260 plan on voting yes. Identify the values needed to calculate a confidence interval at the 90% confidence level. Then find the confidence interval. z0.10 z0.05 z0.025 z0.01 z0.005 1.282 1.645 1.960 2.326 2.576 Use the table of common z-scores above. Round the final answer to three decimal places. Provide your answer below: $p'=\ $p′= $\sigma_{p'}\ =\ $σp′ = $z_{\frac{\alpha}{2}}\ =\ $zα2 = (, )

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question

Alice wants to estimate the percentage of people who plan on voting yes for the upcoming school levy. She surveys 380 individuals and finds that 260 plan on voting yes.

Identify the values needed to calculate a confidence interval at the 90% confidence level. Then find the confidence interval.