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Mathematics, 25.04.2020 00:55 legendman27

In a survey of 2055 adults in a certain country conducted during a period of economic? uncertainty, 64?% thought that wages paid to workers in industry were too low. The margin of error was 2 percentage points with 95?% confidence. For parts? (1) through? (4) below, which represent a reasonable interpretation of the survey ?results? For those that are not? reasonable, explain the flaw.

1) We are 95% confident 64% of adults in the country during the period of economic uncertainty felt wages paid to workers in industry were too low.

2) We are 93% to 97% confident 64% of adults in the country during the period of economic uncertainty felt wages paid to workers in industry were too low.

3) We are 95% confident the proportion of adults in the country during the period of economic uncertainty who believed wages paid to workers in industry were too low was between 0.62 and 0.66.

4) In 95% of samples of adults in the country during the period of economic uncertainty, the proportion who believed wages paid to workers in industry were too low is between 0.62 and 0.66.

The answer choices for each of following interpreations:

A. The interpretation is reasonable.

B. The interpretation is flawed. The interpretation provides no interval about the population proportion.

C. The interpretation is flawed. The interpretation sugguests that this interbal sets the standard for all the other intervals, which is not true.

D. The interpretation is flawed. The interpretation indicates that the level of confidence is varying.

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