In a simple random sample of 1200 people age 20 and over in a certain country, the proportion with a certain disease was found

Question

In a simple random sample of 1200 people age 20 and over in a certain country, the proportion with a certain disease was found to
be 0.100 (or 10.0%). Complete parts (a) through (d) below.
a. What is the standard error of the estimate of the proportion of all people in the country age 20 and over with the disease?
SE est=0.0086
(Round to four decimal places as needed.)
b. Find the margin of error, using a 95% confidence level, for estimating this proportion.
m= 0.016
(Round to three decimal places as needed.)
c. Report the 95% confidence interval for the proportion of all people in the country age 20 and over with the disease.
The 95% confidence interval for the proportion is D.
(Round to three decimal places as needed.)

Kunduz · Accepted Answer

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