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possit In a study of government financial aid for college students, it becomes necessary to estimate the percentage of full-time college students who eam a bachelor's degree in four years or less. Find the sample size needed to estimate that percentage. Use a 0.02 margin of error and use a confidence level of 99%. Complete parts (a) through (c) below. אח a. Assume that nothing is known about the percentage to be estimated 0 (Round up to the nearest Integer.) b. Assume prior studies have shown that about 40% of full-time students earn bachelor's degrees in four years or less. :ח (Round up to the nearest integer.) View instructor tip Next 7