(Answered) The us forest service is considering additional

Statistics

The U.S. forest service is considering additional restrictions on the number of vehicles allowed to enter Yellowstone National Park. To assess public reaction, the service asks a random sample of 150 visitors if they favor the proposal. Of these, 89 say "Yes." We want to construct a 95% confidence interval to estimate the proportion of all visitors to Yellowstone who favor the proposal, with a margin of error of +/-3%. How many visitors must we sample?

150 visitors
1030 visitors
525 visitors
268 visitors
4120 visitors

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