A market research company conducted a telephone survey of 255 Melbourne households to determine the proportion of households seeking to purchase a new car in the next two years. An interval estimate of 0.151 to 0.289 was calculated. Determine the level of confidence (answer as percentage correct to two decimal places).

Answer rating: 100% (QA)

To determine the level of confidence we need to find the margin of error first The margin of error i... View the full answer