Answer Happy

A govemment ofticial is in charge of allocating social programs throughout the cily or Vancouver He will decite where these social oulreach programs should be located based on the percentage of residents iving below the poverty line in each region of the cily. He takes a simple random sample of 129 people living in Gastown and finds that 25 have an annual income that is below the poverty line Suppose that the government official wants to re-estimate the population proportion and wishes for his 95% contidence interval to have a margin of error no larger than 0.03. Assuming the previous survey results were a reasonably close approximation to the true population proportion, how large a sample should he take to achieve this? If your answer is not a whole number, round up to the next largest integer. Sample size =