A polling company conducts an annual poll of adults about political opinions. The survey asked a random sample of 2409 adults whether they think things in the country are going in the right direction or in the wrong direction. 61% said that things were going in the wrong direction. Complete parts a and b below. a) Calculate the margin of error for the proportion of all adults who think things are going in the wrong direction for 95% confidence. ME = (Round to three decimal places as needed.) b) Explain what this margin of error means. Select the correct choice below and fill in the answer box within your choice. (Round to three decimal places as needed.) A. We are 95% confident that the observed proportion of adults that responded "wrong track" is within of the population proportion. B. The probability that any given adult surveyed from the population will respond "wrong track" is . C. We are 95% confident that the observed proportion of adults that responded "wrong track" is within of the sample proportion. D. The probability that any given adult surveyed from the sample responded "wrong track" is .
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A polling company conducts an annual poll of adults about political opinions. The survey asked a random sample of 2190 adults whether they think things in the country are going in the right direction or in the wrong direction. 43% said that things were going in the wrong direction. Complete parts a and b below. a) Calculate the margin of error for the proportion of all adults who think things are going in the wrong direction for 90% confidence. b) Explain what this margin of error means. Select the correct choice below and fill in the answer box within your choice. A. We are 90% confident that the observed proportion of adults that responded "wrong track" is within __ of the population proportion. B. We are 90% confident that the observed proportion of adults that responded "wrong track" is within __ of the sample proportion. C. The probability that any given adult surveyed from the population will respond "wrong track" is __. D. The probability that any given adult surveyed from the sample responded "wrong track" is __.
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A polling company conducts an annual poll of adults about political opinions. The survey asked a random sample of 2277 adults whether they think things in the country are going in the right direction or in the wrong direction. 46% said that things were going in the wrong direction. Calculate the margin of error for the proportion of all adults who think things are going in the wrong direction for 90% confidence. ME = Round to three decimal places as needed.
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