Lemma
EasyConfidence intervals
OpenStax, Statistics §8.3 A Population Proportion · Try It 2 · Statistics · Confidence intervals

A Population Proportion · Try It 2

A student polls her school to determine whether students in the school district are for or against the new legislation regarding school uniforms. She surveys 600 students and finds that 480 are against the new legislation.

a. Compute a 90 percent confidence interval for the true percentage of students who are against the new legislation, and interpret the confidence interval.

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OpenStax, Statistics · §8.3 A Population Proportion · Try It 2

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A Population Proportion · Try It 2 — Lemma