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2. in a given population of two-earner male-female couples, male earnings have a mean of $40,000 per year and a standard deviation of $12,000. female earnings have a mean of $45,000 per year and a standard deviation of $18,000. the correlation between male and female earnings for a couple is 0.80. let c denote the combined earnings for a randomly selected couple. what is the mean of c?
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What are the digits that repeat in the smallest sequence of repeating digits in the decimal equivalent of 24/11?
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Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?
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`if you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain. ''.
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2. in a given population of two-earner male-female couples, male earnings have a mean of $40,000 per...
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