Question

According to a Gallup Poll taken in East Germany, when adults were asked whether they were thriving, struggling, or suffering, 261 out of 435 said they were struggling. (The number that said they were suffering was 50. In West Germany the number of those who reported suffering was less than half of that.)
a. What is the value of p`, the sample proportion that say they are struggling?
b. Check the conditions to determine whether you can apply the CLT to find a confidence interval.
c. Find a 95% confidence interval for the population proportion that say they are struggling.


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  • CreatedJuly 16, 2015
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