The Forest Service took a random sample of Yellowstone Park visitors and asked if they favor restrictions on the number of

Question

The Forest Service took a random sample of Yellowstone Park visitors and asked if they favor restrictions on the number of vehicles allowed to enter the park: 89 of 150 say yes.
a) Give a 95% confidence interval for the proportion of all Yellowstone visitors who favor the restrictions.
Include p^, Z and the Margin of Error.
b) Are you 95% confident that more than half are in favor? Explain.
c) What sample size would be needed to obtain a margin of error of 4%

Kunduz · Accepted Answer

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