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(Solved): Use the sample data and confidence level given below to complete parts (a) through (d). A research i ...



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=977

and

x=505

who said "yes." Use a

95%

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

.

=

(Round to three decimal places as needed.) c) Construct the confidence interval.

95%95%95%95% (Round to three decimal places as needed.) d


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