Please let your work be clear

In a class survey, students are asked if they are sleep deprived or not and also are asked how much they sleep per night (amount of sleep per night). Summary statistics for the 11 = 22 students who said they are sleep deprived are: Assume normality (that is, assume that the amount of sleep per night is normally distributed). Construct and interpret a 95% condence interval for the mean amount of sleep per night (,u). Hint: Use the t-interval for the population mean