The employees of a large international company would like to have vision care as part of their benefits package. A researcher needs to estimate the amount of money that employees and their beneficiaries spend on such treatment, on average. A sample of 625 employees reveals the mean amount spent last year was $1,002.79, with a standard deviation of $102.44. We assume that the population standard deviation is close to the last number. (a) Construct a 95% confidence interval for the population mean amount spent on vision care. Find 23 = 2 Round the confidence interval values to 2 decimal places. What is the 95% confidence interval? i