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In a survey of 3963 adults, 706 say they have seen a ghost.Construct a 99% confidence interval for the population proportion. Interpret the results.
1) A 99% confidence interval for the population proportion is ( , )
2) Interpret your results. Choose the correct answer below
A) With 99% confidence, it can be said that the population proportion of adults who say they have seen a ghost is between the endpoints of the given confidence interval.
B) With 99% confidence, it can be said that the sample proportion of adults who say they have seen a ghost is between the endpoints of the given confidence interval.
C) The endpoints of the given confidence interval show that 99% of adults have seen a ghost.
D) With 99% probability, the population proportion of adults who say they have not seen a ghost is between the endpoints of the given confidence interval.
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All kinds of organizations are interested in the response to their products, services or indeed policies. They will typically select a survey method that provides results of sufficient quality at an acceptable cost.
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