A student polls his school to see if students in the school district are for or...

A student polls his school to see if students in the school district are for or against the new legislation regarding school uniforms. She surveys 450 students and finds that 214 are against the new legislation.

Calculate the EBP. Use a 90% Confidence Level. Fill in the blank, round to three decimal places.

Solutions

Expert Solution

We have given here,

x=214
n=450
Estimate for sample proportion

Level of significance is =1-0.90=0.1
Z critical value(using Z table)=1.645

Lower limit for 90% confidence for population proportion=0.437

Upper limit for 90% confidence for population proportion=0.514

orchestra answered 1 year ago

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