Why do we assume p=0.5 in determining the necessary sample size?
Why do we assume p=0.5 in determining the necessary sample size? Land’s Beginning is a company that sells its merchandise through the mail. It is considering buying a list of addresses from a magazine. The magazine claims that at least 25% of its subscribers have high incomes (they define this to be household income in excess of $100,000). Land’s Beginning would like to estimate the […]