Asked Dec 4, 2019

In a study of government financial aid for college​ students, it becomes necessary to estimate the percentage of​ full-time college students who earn a​ bachelor's degree in four years or less. Find the sample size needed to estimate that percentage. Use a 0.03 margin of error and use a confidence level 90​%.


Expert Answer

Step 1

The required sample size is calculated by using the formula:


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p(1– p) п

Step 2

The proportion of full-time college students who earn bachelor’s degree in four years or less is not given. ...


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Z P(1-p) E n 1.645 0.50(0.50) 0.03 752


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