A polling agency reported that 66 percent of adults living in the United States were satisfied with their health careplans. The estimate was taken from a random sample of 1,542 adults living in the United States, and the 95 percentconfidence interval for the population proportion was calculated as (0.636, 0.684). Which of the followingstatements is a correct interpretation of the 95 percent confidence level? (A) The probability is 0.95 that the percent of adults living in the United States who are satisfied with their healthcare plans is between 63.6% and 68.4%.(B)Approximately 95% of random samples of the same size from the population will result in a confidenceinterval that includes the proportion of all adults living in the United States who are satisfied with their healthcare plans.(C) Approximately 95% of random samples of the same size from the population will result in a confidenceinterval that includes the proportion of all adults in the sample who are satisfied with their health care plans.(D) Approximately 95% of all random samples of adults living in the United States will indicate that between63.6% and 68.4% of the adults are satisfied with their health care plans.(E) Approximately 95% of all random samples of adults living in the United States will result in a sample proportion of 0.66 adults living in the United States who are satisfied with their health care plans.
A polling agency reported that 66 percent of adults living in the United States were satisfied with their health care
plans. The estimate was taken from a random sample of 1,542 adults living in the United States, and the 95 percent
confidence interval for the population proportion was calculated as (0.636, 0.684). Which of the following
statements is a correct interpretation of the 95 percent confidence level?
(A) The probability is 0.95 that the percent of adults living in the United States who are satisfied with their health
care plans is between 63.6% and 68.4%.
(B)
Approximately 95% of random samples of the same size from the population will result in a confidence
interval that includes the proportion of all adults living in the United States who are satisfied with their health
care plans.
(C) Approximately 95% of random samples of the same size from the population will result in a confidence
interval that includes the proportion of all adults in the sample who are satisfied with their health care plans.
(D) Approximately 95% of all random samples of adults living in the United States will indicate that between
63.6% and 68.4% of the adults are satisfied with their health care plans.
(E) Approximately 95% of all random samples of adults living in the United States will result in a sample proportion of 0.66 adults living in the United States who are satisfied with their health care plans.
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