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Use the Given Degree of Confidence and Sample Data to Construct

Question 43

Multiple Choice

Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p.
-Of 80 adults selected randomly from one town, 67 have health insurance. Find a 90% confidence interval for the true proportion of all adults in the town who have health insurance.


A) 0.741<p<0.9340.741 < \mathrm { p } < 0.934
B) 0.731<p<0.9440.731 < \mathrm { p } < 0.944
C) 0.757<p<0.9180.757 < p < 0.918
D) 0.770<p<0.9050.770 < p < 0.905

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