Use the Following Information for Questions

Use the following information for questions:
A supervisor wants to study the relationship between employee training and time required to complete a job-related task. Three levels of employee training are considered: Beginner, Intermediate, and Advanced. Thirty new employees were randomly selected and each employee was randomly assigned to one of the three training levels. After the training was complete, the time (in minutes) it takes each employee to complete the task is recorded. Descriptive statistics and ANOVA results are given below.

-Provide a 99% confidence interval for the population mean time it takes to complete the task for all employees that receive beginner level training.