
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Given two random variables $X$ and $Y$ that satisfy the equation $X + 2Y = 4$, and $X$ follows a normal distribution with mean $1$ and variance $2^2$, find the expected value $E(Y)$ and variance $D(Y)$ of $Y$.

Present the answer in LaTex format: \boxed{Your answer}
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