Ask a New Question

Using the results of a Newsweek poll conducted in March of 2009, a 90% confidence interval on the proportion of adult Americans who have a favorable opinion of Barack Obama is given by (0.699, 0.741). What is the margin of error?

Ask a New Question or answer this question.

Similar Questions

10.Using the results of a Newsweek poll conducted in March of 2009, a 90% confidence interval on the proportion of adult
1. 1 answer
According to a Gallup Poll conducted in March of 2009, 38% of American adults polled believe that global warming will pose a
1. 0 answers
the following summary of a statistical study gives a sample statistic and a margin of error. find the confidence interval.a poll
1. 1 answer
A poll conducted in 1972 asked 1003 people, " During the past year, about how many books did you read either all or part of the
1. 3 answers

more similar questions