The National Center for Education Statistics reported that 47% of college students work to pay for tuition and living expenses. Assume that a sample of 450 college students was used in the study a. Provide 95% confidence interval for the population proportion of college students who work to pay for tuition and wind expenses (to 2 decimals) > b. Provide a 99% confidence interval for the population propertion of college students who work to pay for tuition and living expenses (to 2 decimals) * 3 What happens in the rain of error as the confidence is increased from 95% to 99% The marunoftror becomes are