In a survey o 2 65 adults in a certain country conducted during a period o econo

Question

In a survey o 2 65 adults in a certain country conducted during a period o economic uncertainty, 57% hought at wages paid to workers n industry were too low. The margin of error as 2 percentage points with 95% 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 95% confident 57% 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? A. The interpretation is reasonable. O B. The interpretation is flawed. No interval has been provided 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 93% to 97% confident 57% o adults in the country during the penod o economic uncertainty eit 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 indicates that the level of confidence is varying. O C. The interpretation is flawed. No interval has been provided about the population proportion. O D. The interpretation is flawed. The interpretation suggests that this interval sets the standard for all the other intervals, which is not true c We are 95% confident the proportion o adults in the country during the period o economic uncertain who believed wages paid o workers in indu stry were ooo Is the interpretation reasonable? was between 55 and 59 O A. The interpretation is reasonable. Click to select your answer

Explanation / Answer

a) No interval has been provided in the interpretation so this one is flawed.

Option B is correct.

b) This is flawed because it interprets as the level of conidence in varying.

Option B is correct.

c) This one is reasonable. Option A is correct.

d) This sets the standard for other samples which is not right. Option B is correct.

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