A researcher for the U.S. Department of the Treasury wishes to estimate the percentage of Americans who support abolishi

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answerhappygod
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A researcher for the U.S. Department of the Treasury wishes to estimate the percentage of Americans who support abolishi

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A researcher for the U.S. Department of the Treasury wishes toestimate the percentage of Americans who support abolishing thepenny. What size sample should be obtained if he wishes theestimate to be within 2 percentage points with 98% confidence? b)If we have a prior estimate from a Harris Poll that says that 23%of the sample supported abolishing the penny, what size samplewould we need using this information? ONLY SHOW ME HOW TO ENTER ITIN MY TI-84 CALCULATOR USING THE INVNORM FUNCTION!
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