3.4 Probability Flashcards

1
Q

Equation for mutually exclusive

A

P(A U B) = P(A) + P(B)

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2
Q

Non-mutually exclusive equation

A

P(A U B) = P(A) + P(B) - P(A n B)

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3
Q

Independent event equation

A

P(A n B) = P(A) x P(B)

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4
Q

Random variable

A

Where the sum of the probabilities if all its possible values is equal to 1

ΣP(X=x) = 1

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5
Q

Sample space

A

The set of all possible outcomes

Usually equal to 1

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6
Q

Conditional probability equation

A
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