Mathematics, 21.05.2020 00:12 shdaigle8693
An analyst takes a random sample of 25 firms in the telecommunications industry and constructs a confidence interval for the mean return for the prior year. Holding all else constant, if he increased the sample size to 30 firms, how are the standard error of the mean and the width of the confidence interval affected? Standard error of the mean Width of confidence interval A Increases Becomes wider B Increases Becomes narrower C Decreases Becomes wider D Decreases Becomes narrower
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Thelime contains the point(-3,0) and parallel x-3y=3( show all work)
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Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).
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Find two numbers if their sum is 91 and the ratio is 6: 7?
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An analyst takes a random sample of 25 firms in the telecommunications industry and constructs a con...
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