12. A newspaper article stated that the US Supreme Court received 812 letters from around the country on the subject of whether to ban cameras from the courtroom. Of these 812 letters, 806 expressed the opinion that cameras should be banned. A statistics student was going to use this sample information to estimate a 95% confidence interval for the true proportion of all American adults feel that cameras should be banned from the courtroom. What would you tell this student? a. This is a large enough sample to provide an accurate estimate of the American public's opinion on the issue. b. The necessary conditions for a confidence interval for the true proportion are not satisfied, so we should not calculate a confidence interval. c. With such a large number of people favoring the notion that cameras be banned, there is no need for formal statistical inference. d. Because the proportion of individuals in favor of the ban is larger than the confidence level, the confidence interval is not valid.
12. A newspaper article stated that the US Supreme Court received 812 letters from around the country on the subject of whether to ban cameras from the courtroom. Of these 812 letters, 806 expressed the opinion that cameras should be banned. A statistics student was going to use this sample information to estimate a 95% confidence interval for the true proportion of all American adults feel that cameras should be banned from the courtroom. What would you tell this student? a. This is a large enough sample to provide an accurate estimate of the American public's opinion on the issue. b. The necessary conditions for a confidence interval for the true proportion are not satisfied, so we should not calculate a confidence interval. c. With such a large number of people favoring the notion that cameras be banned, there is no need for formal statistical inference. d. Because the proportion of individuals in favor of the ban is larger than the confidence level, the confidence interval is not valid.
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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