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I need it ASAP please. 3. Mrs. Banks wants to conduct a poll to estimate with 95% confidence the proportion of students at Potomac Senior

I need it ASAP please.

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3. Mrs. Banks wants to conduct a poll to estimate with 95% confidence the proportion of students at Potomac Senior High School who work doing the school week. (a) How large a random sample is required to obtain a margin of error of at most 0.05 with 95% confidence? (b) Based on your answer to part (a) how big does the school have to be for the conditions to be met? Explain

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