Sean wants to estimate the percentage of people who have a yearly physical exam from their physician. He surveys 350 individuals
and finds that 238 have a yearly physical exam. What is the correct interpretation of the 95%confidence interval? a. We estimate that 95% of the time a survey is taken, the proportion of people who have a yearly physical exam will be between 0.631 and 0.729. b. We estimate with 95% confidence that the true population proportion of people who have a yearly physical exam is between 0.631 and 0.729. c. We estimate with 95% confidence that the sample proportion of people who have a yearly physical exam is between 0.631 and 0.729.
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