Multiplication rules and Conditional Probability

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7 Terms

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How can multiplication rules be used?

  • The multiplication rules can be used to find the probability of two or more events that occur in sequence.

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State Multiplication rules [2]

Multiplication rules 

  • Two events A and B are independent events if the fact that A occurs does not affect the probability of B occurring.

Multiplication Rules 

  • independent event = mutually exclusive

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or - and: describe

  • “or”=add

  • “and”= multiply 

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Multiplication Rule 1

  • ( both independent) 

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Conditional probability and events, expound

  • The conditional probability of an event B in relationship to an event A is the probability that event B occurs after event A has already occurred.

  • Event B can only happen if event A happens (event A MUST HAPPEN FIRST) 

    • P(B→A)

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Multiplication Rule 2 mutually exclusive)

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CONDITIONAL PROBABILITY formula