Why is the sample size needed to determine the proportion smaller when the population proportion is 0.20 than when the population proportion is 0.50?A survey by a national association is designed to estimate the proportion of member organizations that have both talent and development programs in place to drive human-capital management as well as the member organizations' mean annual employee turnover cost. A random sample of 100 member organizations reveals the following: Frontline employee turnover cost: Upper X overbarequals$12 comma 900, Sequals$1800. Twenty dash five member organizations have both talent and development programs in place to drive human-capital management. Construct a 95% confidence interval estimate for the population mean frontline employee turnover cost of member organizations