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A big dart board consists of three concentric disks of radius 1,2, and 3 feet. If a dart lands in the center disk you get 50 points. If it lands in the middle ring you get 25 points, while if it lands in the outer ring you get 10 points.
Compute both the expected value and standard deviation of the number of points you'l1 get by throwing darts at random at this board.

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in Mathematics by Platinum (164,236 points) | 281 views

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MathsGee Android Q&A

MathsGee Android Q&A