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  3. supposed 57% of the population has a retirement ac

supposed 57% of the population has a retirement account. if a random samples of size 421...

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Statistics

supposed 57% of the population has a retirement account. if arandom samples of size 421 is selected, what is the probabilitythat the proportion of persons with a retirement account willdiffer from the population proportion by less than 4%? Round youranswer to four decimal places

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SolutionWe are given that 57 of the population has a retirementaccount Therefore we haveIt is required to    See Answer
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