I need help with these two

ilearn.laccd.edu 1 Quiz: 14HW: Homework Statdisk Online Question 1 2 pts Salaries of 11 college graduates who took a statistics course in college have a mean of $88,773 and nts a standard deviation of $1,024. Construct a 95% confidence interval for estimating the population mean. Enter the upper bound of the confidence interval. (Round your answer to nearest whole dollar.) D Question 2 2 pts Salaries of 11 college graduates who took a statistics course in college have a mean of $84,734 and a standard deviation of $1,037. Assume that prior studies have shown that the standard deviation of salaries of college graduates who have taken a statistics course in college is $2000. Construct a 95% confidence interval for estimating the population mean. Enter the lower bound of the confidence interval. (Round your answer to nearest whole dollar.)