Mathematics
Mathematics, 07.01.2020 18:31, KingREGEVER7446

The cafeteria chef for a company wants to know about how many of the employees are vegetarians. which sampling method will result in a sample that is not biased?
a) he questions every employee in the advertising department who is exiting a meeting.
b) he obtains a list of employee names and numbers and calls every fifth person on the list.
c) he puts notices in the break rooms asking employees to e-mail him if they are a vegetarian. d) he asks every other employee he sees in the cafeteria for breakfast about food
d) he asks every other employee he sees in the cafeteria for breakfast about food

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