(Solved): A study of working actors looked at age and gender. One random sample of 50 male actors had a mean ...

A study of working actors looked at age and gender. One random sample of 50 male actors had a mean age of 34 and a standard deviation of 4 . The other random sample included 50 female actors with a mean age of 22 and a standard deviation of 3. Estimate with 91\% confidence the difference between the average ages of working male $\left({?}_1\right)$ and female $\left({?}_2\right)$ actors. Round answers to 2 decimal places.