A random sample of 40 adults with no children under the age of 18 years results in a mean daily leisure time of

5.52 hours, with a standard deviation of 2.44 hours. A random sample of 40 adults with children under the age of 18 results in a mean daily leisure time of 4.02 hours, with a standard deviation of 1.89 hours. Construct and interpret a 90% confidence interval for the mean difference in leisure time between adults with no children and adults with children 12.

Part 1

Let 1 represent the mean leisure hours of adults with no children under the age of 18 and 2 represent the mean leisure hours of adults with children under the age of 18.

A: The 90% confidence interval for 12 is the range from...?.... hours to enter your response _?__ hours.

(Round to two decimal places as needed.)