Question: As in Exercises 2.1 and 4.3, and in Ex-ample 3.11, a randomly chosen song is from the blues genre with probability 330/27333; from the jazz

As in Exercises 2.1 and 4.3, and in Ex-ample 3.11, a randomly chosen song is from the blues genre with probability 330/27333; from the jazz genre with probability 537/27333; from the rock genre with probability 8286/27333; or from some other genre with probability 18180/27333. Let X be "1" if a randomly selected song is from the "blues" genre, or "2" if "jazz," or "3" if "rock," or "-1" otherwise. Find the mass and CDF of X.

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