Question

a theater owner designs a survey to determine if customers who purchase popcorn return for a refill during a show. the owner surveys 100 customers who receive free popcorn during their visit, and the results of the survey show that 60% of customers return for a popcorn refill during a movie. which statement is true?

the sample is biased, so the survey results are likely not representative of the larger population.

the sample is biased, so the survey results are likely representative of the larger population.

the sample is not biased, so the survey results are likely not representative of the larger population.

the sample is not biased, so the survey results are likely representative of the larger population.

Explanation:

The theater owner surveyed customers who received free popcorn. This sample is biased because it doesn't represent all customers (e.g., those who paid for popcorn or didn't get popcorn). A biased sample's results are unlikely to represent the larger population. So the first option is correct.

Answer:

The sample is biased, so the survey results are likely not representative of the larger population.