Question
In a survey about the safety of air travel, 31% of the 1044 surveyed from the United States said that they consider air travel to
In a survey about the safety of air travel, 31% of the 1044 surveyed from the United States said that they consider air travel to be UNSAFE.
a) Define p and for this problem. Which is the one that we will estimate a confidence interval? Which is the one that we know from the survey and what is it?
b) Find a 95% confidence interval for the population proportion of people that think U.S. air travel is unsafe.
c) From this survey, can we be 95% confident that the majority of people think that U.S. air travel is unsafe?
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Corporate Finance
Authors: Stephen Ross, Randolph Westerfield, Jeffrey Jaffe
10th edition
978-0077511388, 78034779, 9780077511340, 77511387, 9780078034770, 77511344, 978-0077861759
