Find the margin of error e
Assume that a random sample is used to estimate a population p. find the margin of error E that corresponds to the given statistics and confidence level. n=500, x=250, 95% confidence The margin of error E=___
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Use the sample data and confidence level to construct the confidence interval estimate of the population proportion p. n=550, x=165, 90% confidence ___< p < ___
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Two points B and C lie on radial line of a rotating disk. The points are 2 inches apart. VB=700 ft/min and VC=880ft/min. Find the radius of rotation for each of these points.
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