Mrs. Voorhees claims that a Bowie knife is the most effective method of disposing rowdy campers. In a random sample of campers at Lake Crystal, a statistician found that a 99% confidence interval for the proportion of campers disposed by a Bowie knife is 0.7326 to 0.8154. A study claims that the proportion of campers disposed by a Bowie knife is 78%. What can we conclude if we use the above confidence interval to test the claim? A. Since 0.78 does not fall in the confidence interval, evidence indicates the study’s claim is correct. B. Since 0.78 falls in the confidence interval, evidence indicates the study’s claim is incorrect. C. Since 0.78 does not fall in the confidence interval, evidence indicates the study’s claim is incorrect. D. Since 0.78 falls in the confidence interval, evidence indicates the study’s claim is correct.
Mrs. Voorhees claims that a Bowie knife is the most effective method of disposing rowdy campers. In a random sample of campers at Lake Crystal, a statistician found that a 99% confidence interval for the proportion of campers disposed by a Bowie knife is 0.7326 to 0.8154. A study claims that the proportion of campers disposed by a Bowie knife is 78%. What can we conclude if we use the above confidence interval to test the claim? A. Since 0.78 does not fall in the confidence interval, evidence indicates the study’s claim is correct. B. Since 0.78 falls in the confidence interval, evidence indicates the study’s claim is incorrect. C. Since 0.78 does not fall in the confidence interval, evidence indicates the study’s claim is incorrect. D. Since 0.78 falls in the confidence interval, evidence indicates the study’s claim is correct.
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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Mrs. Voorhees claims that a Bowie knife is the most effective method of disposing rowdy campers. In a random sample of campers at Lake Crystal, a statistician found that a 99% confidence interval for the proportion of campers disposed by a Bowie knife is 0.7326 to 0.8154.
A study claims that the proportion of campers disposed by a Bowie knife is 78%. What can we conclude if we use the above confidence interval to test the claim?
Since 0.78 does not fall in the confidence interval, evidence indicates the study’s claim is correct.
Since 0.78 falls in the confidence interval, evidence indicates the study’s claim is incorrect.
Since 0.78 does not fall in the confidence interval, evidence indicates the study’s claim is incorrect.
Since 0.78 falls in the confidence interval, evidence indicates the study’s claim is correct.
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