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[Q7] [11 pts] The number of flat tires on a car that arrives at an auto repair shop is modeled by X, with the following

[Q7] [11 pts] The number of flat tires on a car that arrives at an auto repair shop is modeled by X, with the following mass function - X 0 2 3 4 P(X) 0.35 0.3 0.2 0.1 0.05 Calculate E[ 3X + 2X ]

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