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The owner of a catering company wants to select a random sample of clients to find out about their food preferences. Select Yes or No to tell whether each method results in a random sample of the population. Yes or No The owner uses a database to print the names of all clients on slips of paper. The owner chooses 20 of the slips of paper without looking. The owner sends a survey to every client who spent more than $500 with the catering company in the past year. The owner sends a survey to all clients whose phone number ends in 5. The owner sends a survey to the last 20 clients who used the catering company's services.

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Select Yes or No to tell whether each method results in a random sample of the population.

1. The owner uses a database to print the names of all clients on slips of paper. The owner chooses 20 of the slips of paper without looking.- yes

3. The owner sends a survey to every client who spent more than $500 with the catering company in the past year. - no

4. The owner sends a survey to all clients whose phone number ends in 5.- yes

5. The owner sends a survey to the last 20 clients who used the catering company's services.- yes

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