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The National Center for Education Statistics reported that47%of college students work to pay for tuition and living expenses. Assume that a sample of450 college students

The National Center for Education Statistics reported that47%of college students work to pay for tuition and living expenses. Assume that a sample of450 college students was used in the study.

a.Provide a95%confidence interval for the population proportion of college students who work to pay for tuition and living expenses. (to2decimals)

b.Provide a99%confidence interval for the population proportion of college students who work to pay for tuition and living expenses. (to2decimals)

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