[Solved] (10) A research firm has been asked to determine the proportion of all restaurants in the state of Ohio that serve alcoholic beverages. The firm
Question: (10) A research firm has been asked to determine the proportion of all restaurants in the state of Ohio that serve alcoholic beverages. The firm wants to be 98% confident of its results but has no idea of what the actual proportion is. The firm would like to report an error of no more than .05. How large should a sample should it take?
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