2. Let X be a random variable with E[X] = 15 and Var[X] = 10. Suppose Y = 2X – 7, Use the properties of E[ - ] and Var[ - ] to find the following: 2.1 E[Y] 2.2 Var[Y].

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2. Let X be a random variable with E[X] = 15 and Var[X] = 10.
Suppose Y = 2X – 7,
Use the properties of E[ · ] and Var[ · ] to find the following:
2.1 E[Y]
2.2 Var[Y].
Transcribed Image Text:2. Let X be a random variable with E[X] = 15 and Var[X] = 10. Suppose Y = 2X – 7, Use the properties of E[ · ] and Var[ · ] to find the following: 2.1 E[Y] 2.2 Var[Y].
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