- what is the points estimate of the proportion of the population of working parents who feel they spend too little time with their children because of work commitments?
-what is the margin of error for 95% confidence level?
- what is the 95% confidence interval for the proportion of working parents who feel they spend too little time with their children because of work commitments?
-what sample size should have been used if a margin of error 0f 0.03 was desired