Suppose That a Random Sample of 85 High School Classrooms

question 30

Multiple Choice

Suppose that a random sample of 85 high school classrooms in the state of Iowa is selected and a 95% confidence interval for the proportion that has Internet access is (0.73, 0.79) . Which of the following is a correct interpretation of the 95% confidence level? ​

• A)The method used to construct the interval will produce an interval that includes the value of the population proportion about 95% of the time in repeated sampling.
• B)You can be 95% confident that the sample proportion is between 0.73 and 0.79.
• C)There is a 95% chance that the proportion of all high school classrooms in Iowa that have Internet access is between 0.73 and 0.79.
• D)You can be 95% confident that the proportion of all high school classrooms in Iowa that have Internet access is between 0.73 and 0.79.
• E)None of the above is a correct interpretation of the confidence level.

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