Mathematics, 03.04.2021 03:50 bdog70
We wish to estimate what percent of adult residents in a certain county are parents. Out of 100 adult residents sampled, 8 had kids. Based on this, construct a 99% confidence interval for the proportion p of adult residents who are parents in this county. Express your answer in tri-inequality form. Give your answers as decimals, to three places.
Answers: 3
, and a confidence level of 
, we have the following confidence interval of proportions.
.
, z is the value of Z that has a pvalue of 
, so 
. 
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We wish to estimate what percent of adult residents in a certain county are parents. Out of 100 adul...
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