In a survey of 2075 adults in a certain country conducted during a period of economic uncertainty, 53% thought that wages paid to workers in industry were too low. The margin of error was 6 percentage points with 90% confidence. For parts (a) through (d) below, which represent a reasonable interpretation of the survey results? For those that are not reasonable, explain the flaw. (a) We are 90% confident 53% of adults in the country during the period of economic uncertainty felt wages paid to workers in industry were too low. Is the interpretation reasonable? O A. The interpretation is reasonable. O B. The interpretation is flawed. The interpretation provides no interval about the population proportion. O C. The interpretation is flawed. The interpretation indicates that the level of confidence is varying. O D. The interpretation is flawed. The interpretation suggests that this interval sets the standard for all the other intervals, which is not true. (b) We are 84% to 96% confident 53% of adults in the country during the period of economic uncertainty felt wages paid to workers in industry were too low. Is the interpretation reasonable? O A. The interpretation is reasonable. O B. The interpretation is flawed. The interpretation provides no interval about the population proportion. OC. The interpretation is flawed. The interpretation indicates that the level of confidence is varying. O D. The interpretation is flawed. The interpretation suggests that this interval sets the standard for all the other intervals, which is not true.

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