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April 1, 2015

April 1, 2015

Posted by **Tasha** on Monday, October 31, 2011 at 1:58pm.

A recent survey showed 4.6 percent of the sample of 250 had suffered some kind of identity theft in the past 12 months.

a. Construct a 90 percent confidence interval for the true proportion of those suffering identity theft.

b. Can we assume the distribution of the population is normal? Explain your answer.

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