From July 5-7, 2017, the Gallup Organization asked a random sample of 1,021 adults aged 18 and older living in the United States and Washington D.C. In general, how harmful do you feel secondhand smoke is to adults? and found that 59% believe that secondhand smoke is very harmful. The margin of sampling error was ±4 percentage points at the 95% confidence level. Calculate a 95% confidence interval for the percentage of all adults - aged 18 and older living in the United States and Washington D.C.- who believe that second smoke is very harmful. % to %

From July 5-7, 2017, the Gallup Organization asked a random sample of 1,021 adults aged 18 and older living in the United States and Washington D.C. In general, how harmful do you feel secondhand smoke is to adults? and found that 59% believe that secondhand smoke is very harmful. The margin of sampling error was ±4 percentage points at the 95% confidence level. Calculate a 95% confidence interval for the percentage of all adults - aged 18 and older living in the United States and Washington D.C.- who believe that second smoke is very harmful. % to %

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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