Question

You are interested in constructing a 95% confidence interval for the proportion of all pregnant women who regularly drink caffeinated beverages. Of the 1000 randomly selected pregnant women, 271 regularly drank caffeinated beverages. A. With 95% confidence the proportion of all pregnant women who regularly drink caffeinated beverages is between and

A. With 95% confidence the proportion of all Americans who believe that evolution of species is false is between [ Select ] ["0.608", "0.531", "0.547", "0.613"] and [ Select ] ["0.587", "0.548", "0.723", "0.293"] .

B. If many groups of 1200 randomly selected Americans were surveyed, then a different confidence interval would be produced from each group. About [ Select ] ["5", "10", "90", "95"] percent of these confidence intervals will contain the true population proportion of Americans that believe evolution of species is false and about [ Select ] ["10", "95", "90", "5"] percent will not contain the true population proportion.

Answer #1

The 95% confidence interval for the proportion of all pregnant women who regularly drink caffeinated beverages is

(A) Need n and p.

(B) If many groups of 1200 randomly selected Americans were
surveyed, then a different confidence interval would be produced
from each group. About **95** percent of these
confidence intervals will contain the true population proportion of
Americans that believe evolution of species is false and about
**5** percent will not contain the true population
proportion.

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A newsgroup is interested in constructing a 95% confidence
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interval for the proportion of all Americans who are in favor of a
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You are interested in constructing a 95% confidence interval for
the proportion of all caterpillars that eventually become
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