In a study of government nancial 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 [1.04 margin of error and use a condence level of 95%. Complete parts (a) through (c) below. a. Assume that nothing is known about the percentage to be estimated. n=c (Round up to the nearest integer.)