In: Statistics and Probability
Assume that a sample is used to estimate a population proportion p. Find the 90% confidence interval for a sample of size 395 with 267 successes. Enter your answer as an open-interval (i.e., parentheses) using decimals (not percents) accurate to three decimal places. C.I. =
Assume that a sample is used to estimate a population proportion
p. Find the 99% confidence interval for a sample of size
155 with 36% successes. Enter your answer as an
open-interval (i.e., parentheses) using
decimals (not percents) accurate to three decimal places.
C.I. =