Assume that a sample is used to estimate a population proportion p . Find the 90% confidence interval for a sample of size 345 with 86 successes. Enter your answer as an open-interval ( i.e. ,...

Assume that a sample is used to estimate a population proportionp. Find the 90% confidence interval for a sample of size 345 with 86 successes. Enter your answer as anopen-interval (i.e., parentheses) using decimals (not percents) accurate to three decimal places.