Mathematics, 12.08.2020 05:01 alonzob2367
An economist is interested in studying the income of consumers in a particular region. The population standard deviation is known to be $1,000. A random sample of 50 individuals resulted in an average income of $15,000. What is the width of the 90% confidence interval
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Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?
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Two lines parallel to the same plane are parallel to eachother
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1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?
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Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.
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An economist is interested in studying the income of consumers in a particular region. The populatio...
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