3. In a 2009 Gallup Poll, 441 of 507 adults said it was "morally wrong" to clone humans. Assume Gallup used a simple random sample. (a) Find a 95% confidence interval for the population proportion who believe it is morally wrong to clone humans. (b) Find an 80% confidence interval for the population proportion who believe it is morally wrong to clone humans. (c) Compare the margins of error for each confidence interval and explain mathemati- cally why they are different.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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Chapter4: Equations Of Linear Functions
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3. In a 2009 Gallup Poll, 441 of 507 adults said it was "morally wrong" to clone humans.
Assume Gallup used a simple random sample.
(a) Find a 95% confidence interval for the population proportion who believe it is
morally wrong to clone humans.
(b) Find an 80% confidence interval for the population proportion who believe it is
morally wrong to clone humans.
(c) Compare the margins of error for each confidence interval and explain mathemati-
cally why they are different.
Transcribed Image Text:3. In a 2009 Gallup Poll, 441 of 507 adults said it was "morally wrong" to clone humans. Assume Gallup used a simple random sample. (a) Find a 95% confidence interval for the population proportion who believe it is morally wrong to clone humans. (b) Find an 80% confidence interval for the population proportion who believe it is morally wrong to clone humans. (c) Compare the margins of error for each confidence interval and explain mathemati- cally why they are different.
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