12. Use the Civilian Labor Force data in the Excel file Census Education Data to find the following:
a. P( unemployed and advanced degree)
b. P( unemployed advanced degree)
c. P( not a high school grad unemployed)
d. Are the events " unemployed" and " at least a high school graduate" independent?
10. The Excel file Restaurant Sales provides sample information on lunch, dinner, and delivery sales for a local Italian restaurant. Develop 95% confidence intervals for the mean of each of these variables, as well as for weekday and weekend sales. What conclusions can you reach?