mathematics

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Is P(x=x) the same as f(x)?
yes
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how do you differentiate f(x) and F(X)?
F(X) = ΣP(x=x) = Σf(x), hence it is cumulative.
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What does expected mean represent? E[X]
ΣxP(x), it is the total number of variable multiplying its probability
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CDF to PDF is just an integration step.
No, CDF, which is cumulative, is already area under curve. Hence you should differentiate to get to PDF
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Other cards in this set

Card 2

Front

how do you differentiate f(x) and F(X)?

Back

F(X) = ΣP(x=x) = Σf(x), hence it is cumulative.

Card 3

Front

What does expected mean represent? E[X]

Back

Preview of the front of card 3

Card 4

Front

CDF to PDF is just an integration step.

Back

Preview of the front of card 4

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