question archive In a recent issue of Consumer ReportsPackages of TysonPerdueTysonPerdueQuestion 1Perdue lower bound of Tyson , Consumers Union reported on their investigation of bacterial contamination in packages of name brand chicken sold in supermarkets
In a recent issue of Consumer ReportsPackages of TysonPerdueTysonPerdueQuestion 1Perdue lower bound of Tyson , Consumers Union reported on their investigation of bacterial contamination in packages of name brand chicken sold in supermarkets
Subject:MathPrice: Bought3
In a recent issue of Consumer ReportsPackages of TysonPerdueTysonPerdueQuestion 1Perdue lower bound of Tyson
, Consumers Union reported on their investigation of bacterial contamination in packages of name brand chicken sold in supermarkets.
and chicken were purchased. Laboratory tests found campylobacter contamination in 35 of the 75 packages and 22 of the 75 packages.
. Determine 90% confidence intervals for the proportion of Tyson packages with contamination and the proportion of packages with contamination (use 3 decimal places in your answers).
interval
upper bound of Tyson interval
lower bound of Perdue interval
upper bound of Perdue interval
Question 2. Find the 90% confidence interval for the difference in the proportions of Tyson and Perdue chicken packages that have bacterial contamination (use 3 decimal places in your answers).
lower bound of confidence interval
upper bound of confidence interval
