Question: 7.3 Customer satisfaction. A department store mails a customer satisfaction survey to peo ple who make credit card purchases at the store. This month, 45,000

7.3 Customer satisfaction. A department store mails a customer satisfaction survey to peo ple who make credit card purchases at the store. This month, 45,000 people made credit card purchases. Surveys are mailed to 1000 of these people, chosen at random, and 137 people return the survey form. What is the population for this survey? What is the sample from which information was actually obtained?

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