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1. A research institute poll asked respondents if they felt vulnerable to identity theft. In the...

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Statistics

1. A research institute poll asked respondents if they feltvulnerable to identity theft. In the poll of 968 randomly selectedAmerican adults, 511 of them responded with “yes.” a). Find the 95%confidence interval for the proportion of adultswho felt vulnerable to identify theft .

b). Write a statement that correctly interprets the confidenceinterval. Choose the correct answer below.

A. One has 95% confidence that the sample proportion is equal tothe population proportion.

B. One has 95% confidence that the interval from the lower boundto the upper bound actually does contain the true value of thepopulation proportion.

Answer & Explanation Solved by verified expert
4.2 Ratings (625 Votes)
Solution Given thatn 968x 511Point estimate sample proportion x n 511 968 05281 1    See Answer
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