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Suppose Spongebob has 8 coins: 4 Dimes (10 cents, $0.10) and 4 Quarters (25 cents, $0.25). Let X denote the amount Patrick gets if he

Suppose Spongebob has 8 coins: 4 Dimes (10 cents, $0.10) and 4 Quarters (25 cents, $0.25). Let X denote the amount Patrick gets if he steals TWO coins at random (without replacement). Find the standard deviation of the amount that Patrick gets SD(X) (in dollars).

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