Mathematics, 03.07.2021 17:20 Har13526574
X and Y are independent random variables. X has mean 100 and standard deviation 12. Y has mean 30 and standard deviation 9. What are the mean and standard deviation of (X–Y)?
Answers: 3
Mathematics, 21.06.2019 15:30
Write an equation of a line in slope intercept form that is perpendicular to the line 2x -3y = 12 and passes through the point (2, 6).
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Mathematics, 21.06.2019 18:20
Match each inequality to the number line that represents its solution
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Mathematics, 21.06.2019 20:30
Find the value of x for which line a is parallel to line b
Answers: 1
Mathematics, 21.06.2019 21:30
Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?
Answers: 3
X and Y are independent random variables. X has mean 100 and standard deviation 12. Y has mean 30 an...
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