An electronics store sends an email a survey to all customers who bought tablets. The previous month, 570 people bought tablets. Surveys were sent to 300 of these people, chosen at random, and 138 people responded to the survey. Identify the population and the sample.

a. The population is 570 and the sample is 138.

b. The population is 570 and the sample is 300.

c. The population is 300 and the sample is 138.

d. The population is 138 and the sample is 570.

e. The population is 138 and the sample is 300.

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