Estimate a population proportion
Assume that a sample is used to estimate a population proportion p. Find the margin of error E that corresponds to the given statistics and confidence level. Round the margin of error to four decimal places. 95% confidence; n = 2448, x = 1763
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The water emerges from the boiler and flows into the turbine at 15 mpa and 500 c. what is the heat transfer to the steam in the boiler.
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Methane gas (CH4) comprises 7 x 10-5 % by mass of the Earth's atmosphere. What is the residence time of the gas in the atmosphere if it is being lost to the methane sinks at the rate of 4 x 1011 kg yr-1.
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What is the aerodynamic drag force acting on the car at this speed? How much drag torque must be produced by the engine to hold it at this speed?
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