no A study of working actors looked at age and gender. One sample of 45 male actors had a mean age of 21 and a standard deviation of 3. The other sample included 45 female actors with a mean age of 39 and a standard deviation of 2. Estimate with 89% confidence the difference between the average ages of working male (\"1) and female (pig) actors. Round answers to the nearest hundredth. l:]