(b)A manager at a bus company wants to survey employees about the new uniforms. Which of the following best describes a random sample of employees? The manager asks for volunteers and selects every volunteer until employees are selected. She selects the volunteers because these employees are easily accessible. The manager forms groups of employees based on the departments the employees are in. Then, she selects employees at random from each group. The manager uses a computer program to draw employees at random and selects these employees. Every set of employees is equally likely to be drawn by the computer program.