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State whether each of the following changes would make a confidence interval wider or narrower. (assume that nothing else changes.) a. changing from a 95% confidence level to a 99% confidence level. b. changing from a sample size of 15 to a sample size of 350. c. changing from a standard deviation of 15 pounds to a standard deviation of 20 pounds.
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Mathematics, 21.06.2019 14:10, hardwick744
How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?
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Use the elimination method to solve the systems of equations. choose the correct ordered pair. 7x+4y=39
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State whether each of the following changes would make a confidence interval wider or narrower. (ass...
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