Confidence interval for the fraction of votes
Of the first 10,000 votes cast in an election, 5180 were for Candidate A. Find a 95% confidence interval for the fraction of votes that Candidate A will receive?
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The stone is released from rest. As it falls down, the wire unwinds without stretching or slipping, causing the pulley to rotate. How far must the stone fall so that the pulley has 7.90J of kinetic energy?
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