(Need help asap) A company has 10,000 employees that work at 6 different locations. The company wants to determine the number of hours employees are working per week What approach will most likely get a random sample to accurately represent the employees?

A: Ask a sample of only managers at one location

B: Ask a sample of only managers at each location

C: Ask a sample of all employees at one location,

D: Ask a sample of all employees at each location

Please no trolls or bots I need real answers :(