Question

If a hurricane was headed your way, would you evacuate? The headline of a press release states, Thirty-five Percent of People on High-Risk Coast Wil Reuse Evacuation Order, Survey of Hurricane Preparedness Finds. This headline was based on a survey of 4326 adults who live within 20 milies of the casting hurricanerisk counts of light southea st w ing the sample, care was taken to ensure that the sample would be representative of the population of co s ts in these stes (6) Use this information to estimate the proportion of coastal residents who would evacuate using a 90% confidence interval. (Round your answers to three decimal places.) (1) Write a few sentences interpreting the interval and the con v e c ted with the interval We are confident that the proportion of all coast residents who Se c uate is within the confidence interval we were random samples of size 4326, of the resulting confidence intervals would contain the true of the resulting confidence intervals would contain the true proportion of all c r eudents who a large number of evacuate

Answer 1

on To Solution : Given § 1-0.35) = 0.65 na 4326 com fidence level = 98% The critical value of? for d20:02 % Ze = Z100% = 2.326 a) 8. The 98% el for p is given by- (9-7d J 80-22 , f + ze 20-3)) - (0565 - 2-326 /065.21-965), 0.667. 2-326 10-65(-0-65)) - (0.693) 16.667) 6) We are 198% confident that the post of all coastal residents who would evaculaté # is within the confidence internal. If we were to take a large se number of random samples of a size 4326, 198% of the resulting confidence intervals would sotu contain the toue propostim of all coastal residents who would 4326 evacutate.

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