solve using TI-84 Plus CE

Do male and female servers at Swank Bar work the same number of hours? A sample of 45 female servers worked an average of 22 hours per week, with a standard deviation of 3. A sample of 45 male servers worked an average of 33 hours per week, with a standard deviation of 2. Let #1 and #2 represent the typical number of hours worked by all female and male servers at Swank Bar, respectively. Estimate with a 88% confidence level how many more hours female servers work. Round answers to the nearest hundredth. Which of the following does your data suggest? O Male servers work more hours O Female and male servers work about the same number of hours O Female servers work more hours