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Mathematics, 25.04.2021 02:10 amandavelez12122005
Use the sample data and confidence level given below to complete parts (a) through (d).
A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n = 946 and
x=554 who said "yes." Use a 99% confidence level
Click the icon to view a table of z scores
a) Find the best point estimate of the population proportion p.
(Round to three decimal places as needed.)
b) Identify the value of the margin of error E.
E-
(Round to three decimal places as needed)
c) Construct the confidence interval
[<<
(Round to three decimal places as needed.)
d) Write a statement that correctly interprets the confidence interval Choose the correct answer below.
O A. One has 99% confidence that the sample proportion is equal to the population proportion
OB. 99% of sample proportions will fall between the lower bound and the upper bound.
O c. One has 99% confidence that the interval from the lower bound to the upper bound actually does
contain the true value of the population proportion
OD. There is a 99% chance that the true value of the population proportion will fall between the lower
bound and the upper bound
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Use the sample data and confidence level given below to complete parts (a) through (d).
A research...
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