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

A Population Proportion · Try It 2

A student polls their school to see if students in the school district are for or against the new legislation regarding school uniforms. They survey 600 students and finds that 480 are against the new legislation.

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

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

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