A researcher for the U.S. Department of theTreasury wishes to estimate the percentage of Americans who support
Question:
A researcher for the U.S. Department of theTreasury wishes to estimate the percentage of Americans who support abolishing the penny. What size sample should be obtained if he wishes the estimate to be within 2 percentage points with 98% confidence if
(a) He uses a 2006 estimate of 15% obtained from a Coinstar National Currency Poll?
(b) He does not use any prior estimate?
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For 98 confidence z a2 z 01 233 a Using p 0 15 17305 which ...View the full answer
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Sumit kumar
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QUATERNARY Pursuing M.Tech.(2017-2019) in Electronics and Communication Engg. (VLSI DESIGN) from
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TERTIARY B.Tech. (2012-2016) in Electronics and Communication Engg. from GLBITM Greater Noida
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