The Democrat and Chronicle reported that 25% of the flights arriving at the San Diego airport during the first five months of 2001 were late (Democrat and Chronicle, July 23, 2001). Assume the population proportion is p = .25. Calculate ( ) (sigma p-bar) with a sample size of 1,000 flights (to 4 decimals). What is the probability that the sample proportion lie between 0.22 and 0.28 if a sample of size 1,000 is selected (to 4 decimals)? What is the probability that the sample proportion will lie between 0.22 and 0.28 if a sample of size 500 is selected (to 4 decimals)?

Answer rating: 100% (QA)

Result The Democrat and Chronicle reported that 25 ... View the full answer