Suppose you want to estimate the proportion of traditional college students on your campus who own their own ear. From research on ether college campuses:
Suppose you want to estimate the proportion of traditional college students on your campus who own their own ear. From research on ether college campuses: you believe the proportion will be near 30%. What sample size is needed if you wish to be 9D% condent that your estimate is within [1.132 of the true proportion? A sample size of D is needed. [Round up to the nearest whole number.)
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