Question: A survey of 1000 workers indicated that approximately 520 have

A survey of 1000 workers indicated that approximately 520 have invested in an individual retirement account. National data suggests that 44% of workers invest in individual retirement accounts.
a) Create a 95% confidence interval for the proportion of workers who have invested in individual retirement accounts based on the survey.
b) Test an appropriate hypothesis and state your conclusion.



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  • CreatedMay 15, 2015
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