Use the sample data and confidence level given below to complete parts (a) through (d).
a rese...
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Mathematics, 25.07.2019 06:10 lizredrose5
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 = 983 and x = 506 who said "yes. use a 90% 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 the decimal places as needed.)
c) construct the confidence interval.
depe]
(round to three decimal places as needed.)
d) write a statement that correctly interprets the confidence interval. choose the correct answer below.
o a. there is a 90% chance that the true value of the population proportion will fall between the lower bound and the upper bound.
ob. one has 90% confidence that the interval from the lower bound to the upper bound actually does contain the true value of the population proportion.
oc. one has 90% confidence that the sample proportion is equal to the population proportion
od. 90% of sample proportions will fall between the lower bound and the upper bound.
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