A toy store would like to open a new store in the city of Thousand Oaks, and they would like to know what proportion of households have kids. Out of 200 households sampled, 159 had kids. Based on this, construct a
99% confidence interval for the true population proportion of Thousand Oaks households with kids.
a. Enter your answer as an open-interval (i. e., parentheses) using decimals (not percents) accurate to
three decimal places.
Confidence interval =
b. Express the same answer as a tri-linear inequality using decimals (not percents) accurate to three
decimal places.
C. Express the same answer using the point estimate and margin of error. Give your answers as decimals,
to three places.
p =
+
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