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Asked Dec 6, 2019
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For this question i am confused on the steps/ process of substitutting Y=3x-1

Example 9
-1
3
3
Р(Х %3Dх)
8
Now let Y = 3X – 1. Calculate E[Y]
M|8|
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Example 9 -1 3 3 Р(Х %3Dх) 8 Now let Y = 3X – 1. Calculate E[Y] M|8|

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Step 1

From the provided information, Y = 3X – 1

Substituting the value of X = -1, 0, 1, 2 the Value of Y can be obtained as:

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For X = -1 Y = (3×-1)–1 =-4 For X = 0 Y = (3×0)-1 =-1 For X =1 Y = (3×1) –1 = 2 For X = 2 Y = (3×2)-1 = 5

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Step 2

The probability distribution table for ...

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-4 |-1| 2 5 P(Y =y)

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